Watch the latest multiplayer teaser trailer for the upcoming game “Call of Duty: Black Ops” for the Xbox 360, Playstation 3, Nintendo Wii and PC.

Game Description: Hear the call of duty once again with this seventh entry in the CoD franchise. Call of Duty: Black Ops, inserts players behind enemy lines during the most dangerous time period mankind has ever known. An epic single player campaign filled with heart-racing action, Call of Duty: Black Ops puts players in the boots of elite special forces units engaged in covert warfare, deniable operations, and explosive conflicts around the globe.