The superman's enemies and peers are also OP (intergalactic or god-like creatures) in the comics.
He's a bit of a basic superhero, not very interesting as a person.
I like the trailer mainly because of the idealistic themes, the movie itself was good but had a bunch of small flaws. It's very much the themes that kids that grow up in the 1990s believed in. Seems a thousand years ago. But it's really the stuff that we wished we could live up to.
In a way Superman is the WW2/baby boomer generation's superhero, rather naive and from much more simple times.
In novels, Geralt receives his knighthood (of Riveria) on the battlefield. This is alluded to in the Tourney in blood and wine and it appeared in the spin off game (from the novels):