Project Iron Wolf 

Speculated to be the next installment in the Call of Duty series following COD Modern Warfare 3. It is also speculated that Treyarc is playing some sort of role in the development of the game,, may it be campaign, multiplayer, or zombie mode, At this point, not much is know about this game. There are several screenshots from XBL floating around the internet of people engaging in a TDM in a game titled Iron Wolf

I wounder who will be developing the multiplayer portion of Project Iron Wolf

Project Iron Wolf by Yeffie August 20, 2011