A long time ago on Mount Olympus, Hercules was born to Zeus and his wife, Hera. Zeus was the greatest of the gods, and baby Hercules was already very strong. Hades was the god of the dead and the other gods hated him. When he came up from the Underworld to meet the baby, he brought Hercules a dangerous toy. Hades wants to take control of the world from Zeus and only Hercules can stop him .