<P> Thor, crown prince of Asgard, is banished to Earth and stripped of his powers after he reignites a dormant war . As his brother, Loki, plots to take the throne for himself, Thor must prove himself worthy and reclaim his hammer Mjölnir . </P> <P> Mark Protosevich was hired to develop a script for Thor in April 2006, after the rights were acquired from Sony Pictures . In August 2007 Marvel hired Matthew Vaughn to direct the film, however he exited the project in May 2008 . In September 2008, Kenneth Branagh entered into negotiations to replace Vaughn . In May 2009, Chris Hemsworth was in negotiations to portray the titular character, and Tom Hiddleston was set to play his brother, Loki . Both actors were contracted to star in several films . Marvel hired the writing team of Ashley Edward Miller and Zack Stentz to write a new script for the film, which was then rewritten by Don Payne . Production began on January 11, 2010 in Los Angeles, California, before moving to Galisteo, New Mexico in March . Thor had its world premiere on April 17, 2011 at the Event Cinemas theatre in George Street, Sydney and a U.S. premiere on May 2 at the El Capitan Theatre in Los Angeles, California . The film was released internationally from April 21 to 30, and on May 6 in North America . </P> <P> The film takes place simultaneously with the events of The Incredible Hulk and Iron Man 2, the latter of which is set six months after the events of Iron Man . Clark Gregg, who appeared in Iron Man and Iron Man 2 as S.H.I.E.L.D. agent Phil Coulson, reprised the role in Thor . About his role in Thor he stated, "Agent Coulson was one of the guys who wasn't really in the comic books, and he (had) a very kind of small role in Iron Man . And I was just very lucky that they chose to expand that character and (chose) to put him more into the universe of it ." After signing on to appear as Clint Barton / Hawkeye in The Avengers, Jeremy Renner made a cameo appearance as the character during a scene in Thor . Branagh said that they "were always going to have a guy in a basket above the action where Thor breaks in the S.H.I.E.L.D. camp", and that he was thrilled when the producers told him they wanted to use Renner's Hawkeye for that role . The film ends with a post-credits scene featuring Loki, watching as Erik Selvig and Nick Fury discuss the Tesseract . The scene was directed by Joss Whedon, who directed The Avengers . Stellan Skarsgård, who played Selvig, said the scene was not included when he first read the screenplay for Thor, and that he was sent pages for the scene after agreeing to appear in The Avengers . </P> <P> In 1942, Steve Rogers is deemed physically unfit to enlist in the U.S. Army and fight the Nazis in World War II . Recruited for a secret military operation, he is physically transformed into a super-soldier dubbed Captain America and must battle the Red Skull, head of a Nazi science division known as Hydra . </P>

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