Here's a clip from The Amazing Spider-Man 2, and a featurette about scoring the film.
Spider-Man: Edge of Time - CG Cinematic Montage
Axis Animation have put together a montage of their CG cinematics from Spider-Man: Edge of Time.
Nathan Schroeder - Concept Art for The Avengers
Nathan Schroeder has released a gallery of beautiful concept art he created for The Avengers film.