Returning to Asgard in search of a mysterious enemy, who leads the hunt for Infinity Gems, Thor finds that the acivities of his brother Loki, who seized the throne of Asgard, led to the approaching of the most terrible event - Ragnarok. According to a legend, it marks the final battle in Asgard, the consequence of which will be its complete destruction. In an attempt to prevent this event, Thor resorts to the help of his friend from the Avengers - Hulk. Together, they will come face to face with the worst enemy of all the nine worlds - fiery demon Surtur, whose goal is to fulfill the prophecies of Ragnarok and destroy the nine worlds.
