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) the Arlene Williamson version. Starting April 22, 1935, the radio serial "The Amazing Interplanetary Adventures of Flash Gordon", began airing. The series featured stories set on Mongo, closely following the plot of the comic strip. The 1936 serial depicts Mongo as a rogue planet drifting towards Earth. The serial's Mongo is a wild, rocky planet filled with monsters. The second Flash Gordon serial was set on Mars, but the third returned to Mongo. In "Flash Gordon Conquers the Universe" Flash and his friends travel to Mongo's land of Frigia to find a cure for the Purple Death, which is ravishing