The first half of that sentence is pretty clear.
He doesn't have any supernatural abilities. He just works really hard and has a lot of money.
This loner can get hurt and is only out to avenge the death of his parents.
This normal dweeb got lucky and got bit by a radioactive spider. He's human but got lucky. Just like us but not like us. He is a created being that got a special blessing.
This alien from Krypton came to earth but he isn't really a human. His alien nature gave him super strength. Ignoring the kryptonite weakness for a second, dude is indestructible and can do things that humans cannot.
Christian Scientists and many in the New Age movement believe this.