Here is the first look at Call of Duty: Black Ops DLC called “First Strike” that comes out exclusively to Xbox 360 (for a month) on February 1st, 2011. In this video Treyarch talks about the 4 new multiplayer maps but leaves out information and video about the Zombie map being release with the map pack.
Better shown and explained in the video, Kowloon will be the only map to feature ziplines to be used, Discovery will feature breakable surfaces and the Berlin Wall will have automatic turrets setup.