ILM has put together a detailed VFX breakdown for the Battleship film.
Behind the Magic: Creating the Kaiju for Pacific Rim
Industrial Light & Magic go behind the scenes on the creation of the Kaiju for Pacific Rim.
Behind the Magic: Creating The Hulk for "The Avengers" (Part 2)
ILM delve deeper into the creation process of the Hulk for The Avengers, with this second part of their featurette.
Behind the Magic: The Visual Effects of The Avengers
ILM have put together an awesome behind the scenes featurette for The Avengers.