In Marvel Studios’ “Thor: Ragnarok,” Thor finds himself in a race against time 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. The film hits theaters November 3, 2017.