EA Montreal has announced an all-new campaign map pack called Chapters of the Chosen for its third-person co-op shooter Army of Two: The 40th Day.

The DLC will be available to download on Xbox LIVE and the PlayStation Network on April 1, 2010, priced 800 MS Points/$9.99.

In the new campaign maps players stumble upon information that could lead to ending the invasion by Jonah and his 40th Day Initiative army. However, all it not what is seems, leaving Salem and Rios to trust no one but each other.

Army of Two: The 40th Day is out now for Xbox 360, PS3 and PSP.