Publication history of Superman Superman titles have followed two major story arcs. "Action Comics" deals with Superman and wife Lois adopting a Kryptonian child who is revealed to be the child of General Zod. After resolving this arc, Superman has dealt with the return of one of his most dangerous villains, Brainiac which resulted in the arrival of thousands of Kryptonians on Earth and sadly the death of his adoptive father. In "New Krypton", the Kryptonians create a new planet, New Krypton, and raise it opposite Earth's place in the solar system. In "", Superman decides to leave Earth to live among the Kryptonians,
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