Thor is imprisoned on the other side of the universe and finds himself in a race against time to get back to Asgard to stop Ragnarok, the destruction of his home-world and the end of Asgardian civilization, at the hands of a powerful new threat, the ruthless Hela.

After his retirement is interrupted by Gorr the God Butcher, a galactic killer who seeks the extinction of the gods, Thor Odinson enlists the help of King Valkyrie, Korg, and ex-girlfriend Jane Foster, who now wields Mjolnir as the Mighty Thor. Together they embark upon a harrowing cosmic adventure to uncover the mystery of the God Butcher’s vengeance and stop him before it’s too late.