Men in Black 3 dethroned Avengers this past weekend, hitting number one at the box office. But before we marvel at Will Smith's ticket selling power, let's take a minute to dissect some of the more spectacular VFX shots and alien beasties created to make the third Men In Black movie look so cool. First up, check out this how-to video that explains what sort of tricks the visual effects team had to devise to throw Big Willy off the Chrysler Building.

Plus, get an up-close look at the "weasel" alien that lived inside Boris the Animal's hand (which was originally dreamed up by creature effects mastermind Rick Baker.)