Natalie Portman is Thor's Jane Foster

Natalie Portman has been cast as the female lead in Thor, Marvel Studios’s live-action film due out in theaters on May 20, 2011.

According to THR, the 28-year-old actress has been cast to star as Jane Foster, who in early comic book lore was a nurse who became Thor’s first love.

Aussie actor Chris Hemsworth has already been chosen to play thunder god Thor. Tom Hiddleston is set to play Loki, the god of mischief.

What exciting casting news!!!