THOR: RAGNAROK International Trailer Check out the new THOR: RAGNAROK international trailer! The superhero film, directed by Taika Waititi, stars Chris Hemsworth, Tom Hiddleston, Cate Blanchett, Idris Elba, Jeff Goldblum, Tessa Thompson, Karl Urban, Mark Ruffalo and Anthony Hopkins. THOR: RAGNAROK will be released in theaters on November 3. Thor is imprisoned on the other side of the universe and finds himself in a race against time to get back to Asgard to stop Ragnarok, the destruction of his homeworld and the end of Asgardian civilization, at the hands of an all-powerful new threat, the ruthless Hela.