The mighty Thor must once again fight to restore order to the galaxy, facing off against an ancient alien race led by the villainous Malekith, who seeks to establish a reign of darkness on nine worlds. Faced with an enemy more powerful than Odin himself and the entire Asgardian host, Thor must gather his strength for a decisive battle. A dangerous journey awaits him and a long-awaited meeting with his earthly beloved Jane Foster. Will Thor be able to risk his most precious possessions to prevent darkness from reigning in the vastness of the universe?