As far as superheroes go, on paper a movie about goody two-shoes Captain America doesn't sound like it would be all that entertaining. But both of Marvel's Captain films have been pretty fantastic, and part of the credit goes to the wonderful visual effects done by Industrial Light & Magic, which recently posted a breakdown of some of its extensive work on Winter Soldier.

By now we all know how extensively green screens and CG animation are used in summer blockbusters, but it's still surprising to see just how often computer-generated stunt doubles come into play. And while there's the chance that eventually all actors will be replaced by virtual performers one day, who would fill all those seats at the Oscars every year?