A new trailer for Guardians of the Galaxy sheds a little tiny bit more light on Marvel's superhero movie.
Avengers: Age of Ultron - Casting the VFX Vendors
fxguide have created a very thorough article about the VFX vendors contributing to the massive Avengers: Age of Ultron.
Blur: Thor: The Dark World VFX Breakdown
Blur Studio have posted a VFX breakdown of their work on Thor: The Dark World.
Weta Digital's VFX for Iron Man 3
Weta Digital worked on over 500 shots for Iron Man 3, creating the epic final battle of the film.