The Expendables 2 is coming out in August, featuring more action movie stars from the last four decades than one could shake a stick at – a stick that would then explode violently. To help promote the movie, Lions Gate has released an Infinite Trailer app. What this lets users do is to record a 5-second video clip that then adds a special effect, like a grenade explosion or an airstrike coming in. Then, once the video is processed, it can be added to a trailer for the movie with other users and the actual stars of the movie, with the user’s inputted last name showed before their 5-second footage of awesomeness. Or, whatever random inanity they decided to put in. Thus, it creates an “infinite trailer” that could go on as long as there’s new footage to stitch in! For Comic-Con goers, there’s even an “exclusive” long range RPG strike effect, which I presume actually has to be recorded at Comic-Con because the app crashed whenever I tried to apply it. Crafty developers!