"We all know Superman was rocketed to Earth as an infant just before his native world, Krypton, exploded."
Storyline
Superman meets Black Zero, an agent of an interstellar pirate empire, who is sent out to destroy planets as they begin to achieve space travel. After learning that Black Zero was ultimately responsible for the destruction of Krypton, Superman releases Jax-Ur from the Phantom Zone to help him protect Earth and defeat Black Zero.