Game of Thrones to it" in order to make a darker and more grounded sequel in comparison to Branagh's work in the previous film. By January 10, Marvel Studios had commissioned screenwriter Rodat to rewrite the sequel and Hiddleston stated that filming was expected to begin in London in the summer of 2012. Hemsworth later confirmed that filming was scheduled to begin in August. Hemsworth also revealed that the film would have a more Viking-influenced feel, elaborating "I think the science fiction element to Thor … the danger is it falls a little bit into the world of it's 'tough to throw a light to.' I think of big waterfalls and mountains and a Viking influence, where the Norse mythology kind of grew from. Having that in Asgard is going to make it all the more special and that's what Alan [Taylor] wants to bring to it." Feige said "while the relationship between Loki and Thor certainly has changed [after the events of the movie The Avengers] and has progressed, a lot of Thor 2 is picking up where it left off in terms of Jane, who you just saw for a moment on a computer monitor, and also what's been going on in the nine realms without the Asgardians being able to use the Bifrost." Feige also said that while Loki has a part, "there will be a different villain, another big villain". In May 2012, Mads Mikkelsen began talks to play one of the villains in the film and Anthony Hopkins, who played Odin in the first film, committed to returning in the sequel. Benedict Cumberbatch, who eventually joined the film series as Stephen Strange / Doctor Strange, was also in the running to play Malekith the Accursed. At the end of the month, Disney moved up the release date for the film a week ahead of the previous date to November 8, 2013. By June 2012, much of the first film's supporting cast was confirmed to return, including Idris Elba, Jaimie Alexander, Ray Stevenson and Stellan Skarsgård. Also in June, Joshua Dallas announced that he would not be reprising the role of Fandral. Dallas had initially intended to return, but had to bow out due to his commitment on the television show, Once Upon a Time, and Zachary Levi was cast in his place. Levi was originally up for the role in the first film but scheduling