Superman (Earth-One) details on the Earth-One Superman's origin and childhood/teenage years, see Superboy (Kal-El)." The Earth-One Superman's origin story was retold in various stories; the most prominent retellings were in "Superman" (volume 1) #146 (July 1961), "Limited Collectors' Edition" #C-31 (November–December 1974), and "Action Comics" #500 (October 1979). As recounted in these retellings, Superman was born Kal-El on the planet Krypton. Upon learning of Krypton's imminent destruction, his father Jor-El and mother Lara sent Kal-El in an experimental rocket to Earth moments before the planet exploded. Landing outside of the town of Smallville, Kal-El was found and adopted by an elderly farm
Superman: Doomed planet while Superman creates a new plan: use the Phantom Zone projector to seal both Earth and Brainiac's mothership in the Phantom Zone to give the heroes enough time to defeat Brainiac. Discovering the heroes' strategy, Brainiac destroys the Justice League satellite, disabling the Phantom Zone projector, and attempts to crash his mothership into the planet. Superman and Martian Manhunter push the mothership away from the planet, but Mongul and Non escape from the Phantom Zone and prepare to attack Earth. Although Mongul and Non have escaped from their Phantom Zone, Brainiac's invasion makes them quickly go back. Meanwhile, Superman