Titanfall's first DLC pack introduces three new maps: Runoff, Swampland and War Games.
Latest Articles for Titanfall: Expedition
Bandwidth and performance optimisations hidden in title update 5.
Update 5 to introduce a new Black Market, rolling out soon.
First screenshots revealed as Respawn talks new add-on.
If it's not showing up in the store try searching for Frontier's Edge. Apparently you should be able to find it that way.