Call of Duty XP is now underway, kicking off two days of gaming, music, and other festivities related to the Call of Duty series of military first-person shooters. The Call of Duty XP Website has info and videos related to the event, including this trailer from Call of Duty: Modern Warfare 3 with the world premier of multiplayer footage from the next installment in the franchise. They also offer a live stream of the show, so those not there can attend virtually without having to wait in line to use the bathroom.