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 importa... Read allSuperman 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.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.