The third DLC pack for Titanfall is titled IMC Rising, Respawn announced at EA's Gamescom press conference. It's due out in the fall and it contains three new multiplayer maps. This is the last planned DLC pack for Titanfall, capping the number of maps released post-launch at nine. The previous maps are Frontier's Edge and Expedition.
Yesterday, we learned that this announcement would appear at EA's show. Viola!