Official Synopsis for Thor: Ragnarok
"Thor is imprisoned on the other side of the universe without his mighty hammer 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. But first he must survive a deadly gladiatorial contest that pits him against his former ally and fellow Avenger — the Incredible Hulk!"
Thor: Ragnarok stars Chris Hemsworth, Tom Hiddleston, Mark Ruffalo, Idris Elba, Sir Anthony Hopkins, Cate Blanchett, Jeff Goldblum, Tessa Thompson, Karl Urban, Sam Neill and Benedict Cumberbatch.
Producer, Kevin Feige, Executive Producers Louis D’Esposito, Brad Winderbaum, Victoria Alonso, Thomas M. Hammel and Stan Lee. Screenplay, Stephany Folsom, Craig Kyle, Eric Pearson and Christopher Yost.
Thor: Ragnarok will open in theaters on November 3, 2017.