Marvel's Asgardian superhero - and future Avenger - is arriving on Earth
Tom Hiddleston as the mischeiveous Loki
Tom Hiddleston play Thor's adoptive brother -- and nemesis -- Loki. Hiddleston will likely reprise the role in future Marvel films. He'll also appear in the next Woody Allen film, "Midnight in Paris," with Owen Wilson and Rachel McAdams.