Alternative versions of Superman establish a new continuity for DC, affecting not only Superman, but all of the DC Comics characters. The versions of Superman from this time period are traditionally divided into three main periods. The first version of Superman began being published by DC Comics in 1938 appearing in "Action Comics" #1. To explain discrepancies in the aging of Superman across several decades, his earliest stories were retroactively portrayed as having taken place on an alternative world called Earth-Two. These stories take place from 1938 until the late 1950s, although the exact dividing line is unclear and some stories happened identically to
Superman script Siegel had submitted several years before. Siegel was furious because DC Comics did this without having bought the character. After Siegel's discharge from the Army, he and Shuster sued DC Comics in 1947 for the rights to Superman and Superboy. The judge ruled that Superman belonged to DC Comics, but that Superboy was a separate entity that belonged to Siegel. Siegel and Shuster settled out-of-court with DC Comics, which paid the pair $94,013.16 (AFI $) in exchange for the full rights to both Superman and Superboy. DC Comics then fired Siegel and Shuster. DC Comics rehired Jerry Siegel as