Is Natalie Portman Thor’s girl? Natalie Portman is rumoured for the lead female role in Marvel’s upcoming Thor film. Portman is being eyed to play Amora the Enchantress, lover and antagonist of Thor up in Asgard. It remains unclear who will actually play Thor. Marvel is apparently leaning towards casting an unknown blonde; Charlie Hunnam, Tom Hiddleston, Liam Hemsworth, and Joel Kinnaman are now in competition with the already reported Alexandar Skarsgard. Marvel recently delayed the release of movie by a year. The film is now expected in cinemas June 17th, 2011.