Loki convinces Odin to reduce Thor's power in punishment for loving Jane Foster, and then restores the memory of the Tomorrow Man so that he can come back in time and defeat Thor. He builds a powerful robot, and when Thor cannot defeat it he agrees to help the Tomorrow Man conquer the 23rd century.; The barbaric Vulcans plan to invade the world of the pacifist Idylicans. Instead of fighting, the Idylicans abandon their world, altering the gravity of their world to trap the invaders, and settling the Vulcan's abandoned homes as their own.; Loki makes a hole in Asgard's defenses and lures Thor there to face an attack alone. Thor holds off the enemies of Asgard until help arrives.