Superman is the only survivor of the planet krypton. His father put superman in a starcraft and launched him to earth right before the planet exploded. Jonathan and Martha Kent found the starcraft and brought him to their home in Smallville, Kansas and named him Clark. As Clark grew older he started discovering his powers and decided to use them for good. His powers were first used in public when he had to prevent the crash of a NASA space-plane. After this happened him and his foster parents made a costume to help make his identity a secret. Now he just fights for the good of the Earth.
What is his powers?

Super strength and speed

Super hearing and vision

Flying and super intelligence

invulnerability and super-breath
Superman's main enemy is Lex Luthor. Some other ones are General Zod, Doomsday, the Intergang led by Bruno Mannheim, Imperiex, and several others. Some of his allies from his town are Lois Lane and his foster parents, while his superbeing allies include Superboy, Supergirl, Superwoman, Nightwing and many others. He is also in the Justice League with batman, wonder woman, flash, green lantern, aquaman, and the Martian manhunter.