Imprisoned on the other side of the universe, the mighty Thor finds himself in a deadly gladiatorial contest that pits him against the Hulk, his former ally and fellow Avenger. Thor's quest for survival leads him in a race against time to prevent the all-powerful Hela from destroying his home world and the Asgardian civilization.
Four years after the events of Thor: The Dark World, and two years after the events of Avengers: Age of Ultron,[3][4] Thor, held captive on the planet Sakaar without his hammer Mjolnir, must win a gladiatorial duel against an old friend—the Hulk—in order to return to Asgard in time to stop the villainous Hela and the impending Ragnarök, the doom of all Asgardian civilization