"In Exo Zombies, four untrained and unprepared Atlas employees must survive a horror unlike any other as, in a bit of a twist, the zombies are also equipped with same exoskeleton suits players wear. Call of Duty: Advanced Warfare Exo Zombies stars John Malkovich, Bill, Paxton, Rose McGowan, and Jon Bernthal."
The Havoc DLC will be released on January 27th on Xbox LIVE. Other platforms will follow. Havoc will already be included as part of the "Advanced Warfare Pass" for $49.99, or you can purchase it separately for $15. The Zombies mode has been existent since 2008, packed inside Call of Duty: World at War.
More than likely, the Zombies mode will bring some freshness to the game for a little while, even after the release of the other DLC packs. Below is the trailer for the game: