Honestly I was kind of let down by Superman, considering how much people hyped it up. The first two acts were interesting and had me hooked, but the ending just felt a little flat to me. It definitely felt like a "hold on, we're just getting started" movie rather than something standalone.
I wasn't especially fond of the characterization of Clark's parents, but I think that's just a personal preference and being used to other interpretations (Smallville, DCAU, etc). I do think they worked very well with the tone of the movie.
It also didn't feel particularly dissimilar to most Marvel movies, just with a little better tone and planning.