Justice League Costumes – This Supreme Edition Lycra Superman Costume features the Superman Costume zippered jumpsuit with muscle chest, cape, light-up belt, and zip-up boot tops. This is the ULTIMATE Superman Costume!! Superman is the last survivor of the planet Krypton. He was raised as Clark Kent in Smallville and became a reporter for a newspaper called The Daily Planet in the city of Metropolis. Kryptonite is a rock from his home planet. It can weaken and potentially kill Superman. Superman is also a member of a group of comic book Super Heros known as the Justice League.