ILM have put together an awesome behind the scenes featurette for The Avengers.
Behind the Magic: The Visual Effects of "Star Trek Into Darkness"
Industrial Light & Magic have released three making of videos for the VFX they created for Star Trek: Into Darkness.
Fully Assembled: The Making of The Avengers
Trevor Hogg chats with several VFX supervisors about their work on The Avengers in this huge article.
Evil Eye Pictures' VFX for The Avengers
Read about Evil Eye Pictures' contribution to the VFX for Marvel's The Avengers film.