Superman is the greatest hero in the DC Multiverse. He's the shining star that everyone looks up to. Even the most hardened heroes respect him. Superman gets called when the most powerful villains show up, and he's made a difference in every battle he's a part of. His impressive powers, like super strength and near-invulnerability, make him the hero everyone wants in the frontline, since he can even up the odds in any fight.
Source:https://www.cbr.com/superman-dc-villains-too-merciful/