Re: X-MEN: FIRST CLASS - Grading+Discussion **SPOILERS!**
Warner Bros. flat-out said they opted not to pursue a sequel to Superman Returns because they weren't happy with the way the film "positioned" the character.
Meaning, they were planning on an additional $100 million that they didn't get - so bad, Superman Returns
"Your advertising's just dandy. Folks'd never guess you ain't got a thing to sell."