Last week Activision released another Call of Duty Black Ops Annihilation trailer called "In The Jungle" which is entirely dedicated to Shangri-La Zombies, the new zombies map that's part of the Annihilation map pack. Shangri-La map allows players to uncover the real mystery of Shangri-La and the undead that dwell there. Littered with deadly traps, underground caverns and passages the Shangri-Lap map will challenge the most experienced Call of Duty Zombies players. Shangri-La Zombies has been released for Xbox 360 on June 28th as part of the Annihilation map pack which is the third map pack for Call of Duty Black Ops. A release date for the PC and PS3 has not yet been announced.