Superbman: The Other Movie 1981

Facing impending doom on the planet Krapton, Kid-O, infant son of Jel-O, is sent to earth where he is found and adopted by Ma and Pa Cant. Eventually, the Kraptonian now known as Clark, becomes a newspaper reporter for the Daily Comet. Together with fellow reporter Lois Lame, they uncover a sinister plot by Rex Ruthor, to destroy the world.