We recently told you about the Chapter of Deceit DLC pack for Army of Two: The 40th Day. This first piece of premium content for the two player co-op titles adds new campaign missions that take place during the main storyline.
The latest developer diary gives us a hint as to what to expect - bigger and badder heavies, unarmed situations, and more await as we're told "Co-Op tactics are necessary to survive." Chapters of Deceit launches April 1st, no price was given yet.