Synopsis: 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 Ragnarokthe destruction of his homeworld and the end of Asgardian civilizationat 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 Avengerthe Incredible Hulk!