Warning: Spoilers for Thor: Love and Thunder!
Jane Foster notably takes on the name Mighty Thor, not Lady Thor, in Thor: Love and Thunder, and the moniker preference is the correct call. After sitting out Taika Waititi's Thor: Ragnarok, Natalie Portman returns as the genius astrophysicist for the director's latest Thor installment. The movie centers on Thor's (Chris Hemsworth) post-Endgame journey, including his reunion with Jane, his ex-girlfriend who is now in possession of Mjolnir.
Jane's Thor transformation in Thor: Love and Thunder stems from the character's cancer diagnosis. Without any other options and waning hope, Jane turns to Mjolnir after sensing a call from the destroyed hammer in New Asgard. In Jane's presence, the hammer repaired itself and chose her as the new wielder, giving her all of the powers exhibited by the God of Thunder. During the fight against Gorr the God Butcher's shadow monsters in New Asgard, Jane shows off her superhuman strength, agility, and speed, in addition to a new power that allows Mjolnir to break apart, ravage enemies, and come back together.
Related: Thor: Love & Thunder Easter Eggs & Marvel References
Throughout Thor: Love and Thunder, Jane contemplates a Thor-worthy catchphrase fitting for her new superhero role. Though the catchphrase becomes a tough task, Jane has no hesitation regarding her Thor moniker. While battling Gorr toward Thor: Love and Thunder's ending, the villain refers to Jane as «Lady Thor,» to which she poignantly corrects him, saying that her name is «Mighty Thor.» She then adds that if he can't call her that, the second option is «Dr. Jane Foster» before slamming down the hammer in rage. Interestingly, Lady Thor and «Female Thor» have often been used to
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