Superman: Unbound his drones attacking a planet. Though he attempts to stop them, Superman witnesses Brainiac capture the planet's capital like he did with Kandor before firing a Solar Aggressor missile to consume the planet in its exploding sun. The explosion knocks Superman unconscious and he is brought on board Brainiac’s skull shaped, tentacled ship. Coming to in the examination room, he fights his way through the vessel before he discovers a room full of bottled cities prior to being attacked by Brainiac. At this point, confirming that he spared Krypton because of its eventual destruction, Brainiac is shown that he has
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