The first trailer has been released for X-Men: Days of Future Past.
X-Men: First Class - Visual Effects
See how the visual effects for X-Men: First Class gave life to the mutants' special powers in the film.
X-Men: First Class - Director Interview
Matthew Vaughn, director of X-Men: First Class talks about the film in this video interview.
The Amazing Spider-Man 2 - Clip + Scoring Featurette
Here's a clip from The Amazing Spider-Man 2, and a featurette about scoring the film.