There's a four-player co-op mode in a Call of Duty game--no suprise there and yes it looks pretty fun. https://www.youtube.com/watch?v=NNWvBlu_aWw

Power changes everything in Call of Duty: Advanced Warfare, from the Private Military Corporation-driven storyline in the single-player Campaign to the innovative exoskeleton movements in Multiplayer. Take a look at what makes Call of Duty: Advanced Warfare the total gaming package, including the world premiere of the four-player co-op mode: Exo Survival.