POWER: Kanye West to perform at Call of Duty XP

Activision's announced overnight that Kanye West is to perform at Call of Duty XP. West, in what will be the rapper's first performance since the release of his latest album, will close out the show on September 3 in Los Angeles. The event will also see Modern Warfare 3's multiplayer unveiled for the first time and the full features list of Call of Duty Elite being announced as well.