We talked some yesterday about the epic canvas of Marvel during the Jim Shooter years. I think one of the major disappointing aspects of Marvel on the big screen is the serial inability to convey that epic scope on to the big screen. I can't tell if this is because of the shortcoming of budgets or story-telling. Think about the rather tacked-on depiction of the Dark Phoenix saga, or Galactus at the end of the last Fantastic Four.
The Power Cosmic
The major disappointment of Marvel's comic-to-movie adaptations is the failure to capture the scope of the superhero stories