The Mighty ThorJane Foster

Jane Foster is a well-educated oncology doctor that becomes worthy of the Asgardian hammer Mjolnir and transforms into the Goddess of Thunder. In taking up the mantle of Thor, she uses her newfound abilities to protect Asgardia and Midgard, AKA Earth, as only a Thor can do.

Godly Encounters

Growing up in a home devoted to science, Jane did not believe in any god. She watches her mother die from cancer at the age of nine, and is raised by her father, a plumber. He works two jobs to put her through medical school and despite being exhausted, he never misses Jane’s softball games, always remembers her birthdays and consistently encourages Jane that she can do anything she sets her mind to.

Jane grows up to become a nurse and assists Doctor Donald Blake in his private medical practice. During this time, Jane’s father suffers a heart attack. Later, Blake does all he can to help him but he passes peacefully having never recovered from the incident. After a trip to Norway, Blake discovers he is really the Asgardian God of Thunder Thor Odinson, AKA Thor, and begins battling injustice as a Super Hero while maintaining his secret identity as Blake. Jane first meets Thor when she and Blake bring humanitarian aid to the South American nation San Diablo, where Thor saves her from the dictator Santiago Chavez y Rivera, AKA Executioner. When Thor’s wicked adoptive brother Loki Laufeyson, AKA Loki, realizes Thor has feelings for Jane, he uses her against Thor, once using her as bait to lure Thor into a trap. Jane is also troubled by Thor’s other enemies, including gangster Andrew “Thug” Thatcher, the extraterrestrial Xartans and the criminal scientist Professor Lawrence Zaxton, AKA Zaxton. Although Jane develops affections for Thor, she is less enamored with Blake and bothered by his reluctance to court her, unaware Thor’s father, Odin Borson, AKA Odin, forbids his son from romancing a mortal.

Jane eventually tires of Blake’s hesitancy and quits his practice, and works for Dr. Basil Andrews instead. However, when the villainous Klaus Voorhees, AKA Cobra, invades Andrews’ office to steal chemicals, and Andrews proves compliant, Jane is ashamed of his cowardice and returns to Blake’s office. 

Thor eventually coerces Odin into allowing him to marry Jane if she proves worthy of becoming a goddess. Soon after, Jane and Blake are captured by the superhuman Calvin Zabo, AKA Mister Hyde, who ties up Blake alone in a room with a bomb. Blake transforms into Thor, escapes the room and battles Hyde to save Jane, but Jane believes Blake is still in danger and unwittingly allows Hyde to escape by delaying Thor. Seeing this, Odin declares Jane unfit to become a goddess. Encouraged by Loki’s sinister advice, Odin sends Amora, AKA Enchantress, to seduce Donald Blake to drive Jane away from him. However, when the Enchantress sends her lackey Skurge the Executioner to kill Jane, Thor bests him, and Odin relents from continued interference.

The Doctor That Becomes Thor

Jane is a well-educated doctor, particularly skilled in emergency medicine, oncology and superhuman care. Bilingual, Jane speaks English and Spanish.

While Jane is infused with Sif’s life force, she can use Sif’s teleportation power. Jane is also temporarily imbued with the powers of a goddess, including flight, by Odin after he briefly admits her into Asgard. 

When Jane is found worthy of Mjolnir, Thor’s enchanted hammer, she is able to wield it and becomes the new Thor, possessing all his powers. As have other bearers of the hammer, Jane as The Mighty Thor possesses superhuman strength (Class 100), durability and immunity to conventional disease. Mjolnir is composed of the virtually indestructible metal uru, and allows her to control the weather, absorb energy used against her, open portals to other dimensions, and fly at speeds up to Mach 32; Mjolnir returns to her hand when thrown and can obey her commands as if alive. She can deflect projectiles and other attacks by spinning Mjolnir rapidly in front of her. 

Meddling Gods and Menacing Villains

Thor’s adopted brother, Loki, becomes aware of Thor’s love for Jane and as such often uses her against him. n

Odin often disagrees with Thor’s love for Jane and she attempts to prove herself to him to be worthy of his son. Odin does not accept Jane even when she becomes worthy of Mjolnir, becoming The Mighty Thor. Though he eventually accepts her after she sacrifices herself to save Asgardia and helps to revive her.

In sharing such a close then intimate relationship with the God of Thunder, Jane faces many of Thor’s other enemies including Enchantress, Man-Beast, Mister Hyde, Thug Thatcher. She is captured by Harris Hobbs and Herbert Wyndham, AKA High Evolutionary, but Thor saves her each time.

Close Allies and Asgardian Alliances

While Jane works alongside Doctor Donald Blake as a nurse and assistant, she remains unaware of his dual identity, Thor Odinson. She falls for Thor but is also attracted to Blake. When she grows impatient for Blake to make a move, she works for another doctor but eventually returns to Blake and he reveals that he was Thor all along. Their affections for one another did not gain the approval of Thor’s father Odin and as such Thor spends much of his time trying to convince him that Jane is worthy. When Jane becomes worthy of Mjolnir, she takes up the hammer and transforms into the thunder goddess. Thor eventually comes to accept this change and gives her his name, going by Odinson instead. Once she sacrifices herself to save Midgard and Asgardia, Odinson takes back his first name.

Jane joins the ranks of the Avengers as a doctor on their civilian staff, and later, she joins the Secret Avengers during the Superhuman Registration Act, an act she opposed.

When she is revived from her death as The Mighty Thor, she receives an invitation to join the Valkyries. In joining them, she becomes a Valkyrie herself.

Path to Worthiness

In one scheme, Loki kidnapped Jane and brought her to Asgard. Thor mounted a rescue, but Loki claimed Thor was the one who brought Jane into the realm. Thor was pitted against Loki in a “Trial of the Gods,” but eventually cleared his name. Blake finally revealed to Jane he was Thor, again drawing Odin’s ire. Later, Jane was briefly held hostage in a hotel room by reporter Harris Hobbs to force Thor into letting him visit Asgard. Jane set off a gas explosion in the room in an escape that drew Thor’s notice, but resulted in her hospitalization. Blake treated Jane in the hospital. 

After Jane was released from the hospital, the Olympian demigod Heracles, AKA Hercules, sought her affections and clashed with Thor, ultimately winning because Odin allowed Thor’s powers to decrease. However, realizing Jane and Thor’s affections for each other were genuine, Odin allowed Jane to comfort Thor over his defeat.

While Thor slowly won Odin’s approval of Jane, she became a roommate to the (disguised) extraterrestrial Tana Nile, a Rigellian Colonizer. Tana Nile used a hypnotic suggestion to send Jane to Transia to keep her from interfering with her mission on Earth. In Transia, Jane was employed by the High Evolutionary to serve as a teacher to his New Men on Mount Wundagore, but after the wicked Man-Beast ran amok on Wundagore, the High Evolutionary decided to depart Earth and left Jane behind. Thor arrived and while Man-Beast attacked him and Jane, he is eventually defeated with the help of the High Evolutionary and the Knights of Wundagore.

Odin finally admitted Jane into Asgard and transformed her into a goddess who could fly, but Jane was so awestruck by life in Asgard she was almost unable to function. Odin pitted her against the demonic Lurking Unknown to test her, and Jane fled from it in terror, begging Odin to make her human again. Odin agreed and sent Jane back to Earth with no memory of her time in Asgard. Jane entered Dr. Keith Kincaid’s private practice while Thor soon rekindled his old romance with the goddess Sif. While Jane was briefly employed by Dr. Jim North, she was taken hostage by Kronin Krask, a billionaire hoping to cheat death by transferring his consciousness into Thor’s body. Krask used Jane as bait to trap Thor, but Thor overcame Krask and rescued Jane.

After the demon Dweller-in-Darkness spread fear across Manhattan, Jane was among those affected, nearly committing suicide. Jane was hospitalized and slowly wasted away from the demon’s influence. Thor learned of her condition and grieved for her. Seeing Thor’s torment, Sif employed the cosmic instrument the Runestaff, taken from the Elder of the Universe Kamo Tharn, AKA the Possessor, to infuse her life energy into Jane. Although the procedure worked, Sif disappeared into a pocket dimension connected through the Runestaff. Jane soon found, in addition to regaining her full health, she had increased vitality and combat prowess from her connection to Sif. Jane joined Thor on some adventures, battling the forces of the troll King Geirrodur and capturing Geirrodur to force his surrender. Jane also journeyed with Thor, the Warriors Three and Arthur Zarrko the Tomorrow Man on a mission to alternate future Earth-7613 where they clashed with the Time-Twisters, extraterrestrial beings who were destroying future timelines. When the Time-Twisters attacked them, Jane saved her allies by employing Sif’s teleportation powers. Jane also journeyed to Costa Verde with Thor to combat the revolutionary Ramiro Xuc, AKA el Lobo, whose ally the Carmen Escudero, AKA Gypsy, placed both Thor and extraterrestrial hero Firelord under her hypnotic control, but Jane defeated the Gypsy, restoring the heroes to normal, and helped topple el Lobo’s movement.

Finally journeying to Asgard with Thor, Asgard’s Grand Vizier presented Jane with Sif’s enchanted sword. Striking the sword against a wall, Jane was replaced by Sif, but Jane was trapped within the Runestaff’s dimension, though both Sif and Thor believed Jane had been permanently lost. During an adventure in the Dark Dimension, the sorceress Umar briefly transformed Sif into Jane, but the spell soon faded, and she turned back into Sif. Dr. Kincaid launched an investigation into Jane’s disappearance and eventually confronted Thor and Sif. The trio finally accessed the Runestaff’s dimension and rescued Jane and other beings the Possessor had entrapped. Restored to Earth, Jane fell in love with and married Dr. Kincaid, moving to Chicago, Illinois. 

Thor soon abandoned his Blake identity, leaving all aspects of that life behind. Regardless, he and the time traveler Justice Peace came to Jane’s aid when Thug Thatcher was possessed by Brad Wolfe, AKA Zaniac, and tried to kill Jane for revenge on Thor; Thor and Justice Peace ultimately traveled back in time to prevent Jane’s death, diverging it to Reality-823019. Jane soon gave birth to a son, Jimmy. However, over time Keith wanted to return to his original Manhattan practice, and the couple separated, with Jane remaining in Chicago. Jane and Jimmy were kidnapped by the Man-Beast and brought to Mount Wundagore to use against Thor and his new allies the Godpack, a team of godlike beings made by the High Evolutionary. After Thor saved Jane, she met a mystical construct of Donald Blake created by Loki's wife Sigyn, who claimed to be the human Thor’s alter ego was based upon. Jane remained on Mount Wundagore for a time, again assisting the High Evolutionary’s New Men, this time by providing rehabilitation for those who followed the Man-Beast’s plots. Jane and the Blake construct joined Thor and the Godpack on a mission to space to confront the Evolutionary’s previous god-like creations, the New Immortals, during which the Blake construct was revealed as a falsehood and ceased to exist. Jane and Jimmy eventually left the High Evolutionary and returned to Manhattan, where Jane helped treat casualties during psionic entity Onslaught's attack.

Jane eventually went to medical school and became a doctor, working at Manhattan’s Memorial Hospital. Maintaining close ties to the superhuman community, Jane served as medical consult to Oracle Inc.’s Heroes for Hire, becoming skilled in superhuman medicine by treating team members and their allies. Jane also became personal physician to Tony Stark, learning he was Iron Man and discovering his armor was slowly killing him; with Jane’s help, Tony eventually redesigned his armor to eliminate its ill effects. Jane’s connection to Iron Man led to her becoming the Avengers’ on-call doctor. While Jane made tentative steps to renew her relationship with Keith, Thor re-entered her life in the guise of paramedic Jake Olson (a mortal who had died during a battle between Thor and the Destroyer construct). Although Thor was forbidden by Odin’s servant Marnot from divulging his true identity, Jane quickly surmised who Jake really was. Noting Jake was engaged to Hannah Fairmont, Jane implored Thor to reveal the truth to Hannah to spare her the difficulties Jane had experienced when Thor was Blake.

After Jake was implicated in stealing drugs from Memorial Hospital, Jane helped defend him, despite the real Jake being guilty. Loki had taken over the real Jake's body, so Odin trapped him in it, and Loki, as Jake’s "brother" Loren Olson, took the blame. When Thor’s foe Carl Creel, AKA Absorbing Man, sought a doctor for his cancer-stricken wife, Mary MacPherran, AKA Titania, he kidnapped Jane to force her assistance, but Jane eventually convinced him to surrender to the authorities while she saw to Titania’s care. Jane also cared for Thor’s friend Hogun when he was nearly killed by the Wrecking Crew. Jane also tended to Jake and Thor’s injuries from battles with Kallark, AKA Gladiator, and the Destroyer.

During the superhuman “Civil War,” Jane sided with Steve Rogers, AKA Captain America’s "Secret Avengers" who opposed the Superhuman Registration Act, and offered medical care to the super heroes battling Iron Man’s pro-registration forces. Jane and Keith finally entered divorce proceedings, and Keith took custody of Jimmy. At some point later, Keith and Jimmy died in a car accident and Jane, frustrated that her friendship with gods doesn't save them, she blames herself. Jane began focusing on oncology, just as Thor resumed using his Donald Blake identity. After Jane and Blake renewed their friendship, Jane learned her patient Rose Chambers was Sif, trapped in a dying body by Loki, and Jane alerted Thor in time for him to rescue Sif. Jane soon opened a private practice with Blake in Broxton, Oklahoma, Asgard’s new place of residence.

While setting up her practice in Broxton, Jane Foster met quantum cosmologist Dr. Eric Solvang, whom she aided in warning Asgard of the approaching World Eaters. During the World Eaters’ invasion, she and Solvang helped locals and refugees from the Nine Realms to find shelter in Broxton. She started a relationship with Solvang after Thor Odinson was believed killed battling Odin’s evil brother Cul. Donald Blake, whose existence magically persisted despite the loss of Thor, grew jealous of their relationship. Like the rest of the world, Foster fell victim to a spell cast by the sorceresses Karnilla, Amora, and Kelda that made her forget Thor and accept the magically transformed troll Ulik as the God of Thunder Tanarus, but the returning Thor thwarted the troll’s plan. Her relationship with Solvang ended soon after, and Blake left their practice to ally with Amora in an ill-fated attempt to replace Thor. Foster continued helping humans and Asgardians alike at the Broxton Walk-In Medical Clinic and eventually started a relationship with a real estate salesman named Walter.

She quit her job after she was diagnosed with breast cancer, and started chemotherapy after the cancerous tissue was surgically removed. She refused magical treatments on Asgard, knowing the unpredictable consequences of magic, and chose traditional Earth medicine instead.

Gaining a new perspective on life during her treatment, Foster broke up with Walter. When Roxxon CEO Dario Agger caused the destruction of Broxton, Foster took an offer from Thor to become Earth’s representative on the Congress of Worlds under the condition that she could continue her cancer treatments on Earth.

When Thor Odinson was unworthy of wielding Mjolnir, Foster heard the hammer’s call and was found worthy when she was willing to further risk her health to secretly become the new Thor. She learned how to use the hammer, and prevented Frost Giants on Roxxon Island from acquiring the skull of their fallen king Laufey to resurrect him. Thor continued to ally with Odinson and other heroes like Doreen Green, AKA Squirrel Girl, Howard the Duck, and the Avengers against such threats as Mysterion, the Mindless Ones, Talos the Tamer, and the Asgardian monster Ratatoskr. She also gained the approval of the Warriors Three after a series of adventures.

While Thor fought Absorbing Man and Titania, Odin formed a plan to send the Destroyer, controlled by Cul, to retrieve Mjolnir and slay Thor, believing her possession of Mjolnir was through theft. Thor returned to Roxxon Island when Agger and the Frost Giants’ ally Malekith struck a deal that would grant the Frost Giants Laufey’s skull in return for mining rights in conquered realms. Her interference was abruptly stopped by the attacking Destroyer, but Odinson, his adoptive mother Freyja (Frigga), and many heroines from Earth and Asgard came to Thor’s aid, and Odin eventually called off the Destroyer. Thor, at first resistant to the change, ultimately accepted it and gave Jane, not knowing it was her, his name and went by Odinson. She accepts the mantle of Thor. 

When an incursion between worlds loomed, several heroes, including Thor, were among the heroes fighting Earth-1610’s forces to save Earth-616, but couldn’t prevent the end of the Multiverse. She survived thanks to Eden Fesi, AKA Manifold, teleporting them away onto Reed Richards, AKA Mister Fantastic’s Life Raft. She remained in suspended animation for eight years until awakened by Stephen Strange, AKA Doctor Strange, on Victor von Doom, AKA Doctor Doom’s patchwork planet Battleworld, which was created from the Multiverse’s remains. Strange led them to battle The Cabal and Earth-1610’s evil Reed Richards, AKA The Maker, but when their fight caught Doom’s attention, Strange teleported everyone to different realms to save them from Doom’s wrath. Thor infiltrated the planet’s Thor Corps to sow the seeds of rebellion against Doom with Thor of Higher Avalon’s help. While Foster survived as Thor, mad Thor Corps member Rune Thor murdered many alternate versions of her on Battleworld. Her efforts and that of others like Miles Morales, AKA Spider-Man, helped restore the Multiverse.

After the restoration of the Prime Earth (Earth-616), Thor joined the Avengers to fight for humanity against the likes of Ultron, Warbringer, and Nathaniel Richards, AKA Mister Gryphon (a Kang variant). During a battle with Gryphon, Thor was separated from Mjolnir and reverted to Foster, revealing her cancer to Captain America (Sam Wilson). Foster’s cancer continued to progress as her transformations into Thor mystically purged the chemotherapy from her system. Thor also fought Odin over her identity and claim to Mjolnir.

Despite knowing that using the hammer could kill her, she did so anyway when Asgardia was under threat from Mangog. She hurled Mangog using Mjolnir into the sun and defeated him. She then died but was later revived by Odinson and Odin who had accepted Jane after her sacrifice. Though she still had cancer and with Mjolnir destroyed, she focused her attention on chemotherapy and convinced Odinson to take the mantle of Thor and fight in the War of Realms.

Though Jane could not sit on the sidelines and joined the fight when Malekith invaded Midgard. Alongside the Asgardians, she defended New York City until they were forced to retreat. She became their All-Mother when Queen Frigga departed to destroy Malekith’s Black Bifrost and organized the defense of Earth. 

Jane continued to fight with Agent Solomon in Antarctica against Roxxon’s forces and then joined Thor to help him find his parents Odin and Frigga who had apparently died as the Black Bifrost was destroyed. In picking up the pieces of Ultimate Universe’s Mjolnir, she transformed into Thor once again and departed on a rescue mission with Thor and his past and future selves. Jane uses the broken hammer against King Laufey and in doing so it not only knocked his eyes out but it also fell apart to then reform into a vambrace on her left arm. Shortly thereafter, the Brunnhilde, AKA Valkyrie, and other Valkyries who had all perished, appeared to Jane as spirits and invited her to become one of them. She did so and was transformed.