Superman (1978) The infant Kal-El, of the planet Krypton, makes his journey to Earth in a ship constructed by his father, Jor-El, just as the planet explodes. Crashing down in the midwest United States, the boy is adopted by farmers Jonathan and Martha Kent. After Jonathan's death several years later, Kal-El - now known as Clark Kent - learns of his true identity from the ghost of Jor-El. He ha... more.