There was so much information to digest, I think ZJJ may have been thinking of the new game-mode "Team Mission".
As per the latest blog entry by Prince Arrington posted on IGN -> HERE <- :
TEAM MISSION mode basically takes the mission objective driven gameplay of the coop campaign and turns it into a team adversarial game type. Here, one team will play as the Ghosts and the other team will play as an enemy force. The Ghost team must complete a series of mission objectives while the enemy team is given objectives that directly compete with the Ghosts’.
(The rest of the blo