Activision has released a new trailer dedicated to the first expansion pack for Call of Duty: Black Ops called "First Strike" and exclusively on Xbox Live since February 1, 1200 at a cost of MSP. The video shows an overview of the five maps, including also the arrangements for the Zombie, who will be present in the expansion also revealing all names: "Kowloon, Stadium, Discovery, Berlin Wall and Ascension."

Call of Duty: Black Ops - Strike DLC Maps Trailer | HD version