Tell ya what would be amazing. The movie ends with superman decapitating lex luthor with his super-boner. Now don't tell me you wouldn't pee your pants at that. Just dont.
Sorry, I'm in a silly mood tonight.
There is no way that we need an origin story AGAIN!. Everyone knows the origin of supes, and if I recall 'Superman Returns' didn't have people confused to what was going on.