Jane Foster is a fictional character appearing in American comic books published by Marvel Comics, most commonly depicted as a supporting character of the superhero Thor Odinson. Created by writers Stan Lee and Larry Lieber, and artist Jack Kirby, the character first appeared in Journey into Mystery #84 (Sept. 1962). For many years, Foster was a nurse employed by Dr. Donald Blake, Thor's first mortal host, before becoming a doctor herself. In 2014, Foster was revealed to be deemed worthy to wield Thor's hammer Mjolnir when the former is no longer able, adopting the title of Thor, the "Goddess of Thunder", and joining the Avengers.
Jane Foster has also appeared in various media adaptations of Thor, including the 2011 feature film Thor, and its 2013 sequel Thor: The Dark World, in which she is portrayed by Natalie Portman. Foster also appears in photographic form in the 2012 film The Avengers, and has been mentioned in episodes of Agents of S.H.I.E.L.D., and in Avengers: Age of Ultron and Thor: Ragnarok.