Superman returns to Earth after spending five years in space examining his homeworld Krypton. But he finds things have changed while he was gone, and he must once again prove himself important to the world.
Clark Kent is an alien who as a child was evacuated from his dying world and came to Earth, living as a normal human. But when survivors of his alien home invade Earth, he must reveal himself to the world.
Batman must battle former district attorney Harvey Dent, who is now Two-Face and Edward Nygma, The Riddler with help from an amorous psychologist and a young circus acrobat who becomes his sidekick, Robin.