Thor: Ragnarok | Last Official International Trailer | 2017 | Chris Hemsworth | Mark Ruffalo.... <br /> <br />Imprisoned, the mighty Thor finds himself in a lethal gladiatorial contest against the Hulk, his former ally. Thor must fight for survival and race against time to prevent the all-powerful Hela from destroying his home and the Asgardian civilization. <br /> <br /> <br />Initial release: 25 October 2017 (Italy) <br />Director: Taika Waititi <br />Music composed by: Mark Mothersbaugh <br />Screenplay: Eric Pearson <br />Story by: Stan Lee, Jack Kirby, Eric Pearson, Christopher Yost, Craig Kyle, Larry Lieber, Stephany Folsom
