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
Mongo (fictional planet) wishes to unite Mongo's five warring realms (Arboria, Ardentia, Aerie, Aquaria, and Frigia). Krang's son, Ming, eventually does so by force. In the later Dynamite "Flash Gordon" series, Mongo is the base of Ming's empire. Mongo harbours a "Valley of Portals" which contains portals which lead to the other worlds Ming rules, including Arboria and Coralia. Arlene Williamson (the first wife of Al Williamson) and Jim Keefe both drew maps of the planet Mongo, based closely on Raymond's stories. The game "Flash Gordon & the Warriors of Mongo" (see below), also featured Lin Carter's map of the planet, similar to