Continuation of the adventures of one of the members of the Avengers team, the Norse god Thor, who at that time will have to protect the Earth and all the nine worlds alone from the invasion of an unknown enemy. The mighty Thor will once again fight for the restoration of order in the galaxy, meeting face to face with an ancient alien race, driven by villain Malekith, eager to set the power of darkness in the nine worlds. Faced with an enemy, who is more powerful than Odin and all the army of Asgard, Thor must gather forces for a decisive battle. He will have a dangerous journey and the long-awaited meeting with his earthly beloved Jane Foster. Will Thor risk the dearest to keep the darkness from prevailing in the vast universe?