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: Secret Origin an enemy. Superman leaves anyway, and Sam orders the Army to attack. The soldiers do little to Superman, but John, in the Metallo suit, manages to weaken him by exposing him to the kryptonite. Ricocheting bullets hit the kryptonite, which explodes and injures John and allows Superman to escape. Sam and his troops arrive at the "Daily Planet", and orders it shut down until they can get definitive answers about Superman. Lex takes John into surgery and replaces his heart with a kryptonite generator, turning him into Metallo. Sam reveals to Lois, Perry, and the "Daily Planet" staff that Superman