Superman's debut introduced readers to a new kind of hero, one different from the pulp adventure heroes and detectives who came before him. He also introduced the world to the Kryptonians, a race of aliens from the destroyed plant of Krypton. Under the yellow sun of Earth, Kryptonians gain amazing powers, easily outpacing other heroes and villains from Earth and beyond.
Source：https://www.cbr.com/strongest-kryptonians-ranked/
