GT gives us a hands-on demonstration of Marvel: Ultimate Alliance (PS3 version), straight from Gamers Day 2006. Video after the jump.
Ultimate Alliance puts you in control of two-dozen superheroes battling to save the universe from Doctor Doom and a cadre of super-villains. Featuring more than 140 characters from the Marvel Universe, Ultimate Alliance sports the largest cast of characters ever in a licensed superhero game
[via IGN]