Activision has announced that it will be showing the first live demo of Marvel: Ultimate Alliance at Comic-Con International 2006 in San Diego. Trailer after the jump.

The game features total team customization, where players create their own team name, icon and vehicle, as well as establish their team reputation as they play throughout the story. The storyline is designed open, and the missions that you choose to accept affect the outcome of the Marvel Universe. Also featured are competitive and co-operative multiplayer modes

[via KotakuIGN]

Trailer

Gameplay