In a recent interview with AusGamers, DICE was asked if they'd consider differentiating their post-release DLC strategy from their competitors by including single-player, campaign-specific content alongside the regular multiplayer maps and the like.
"We’re not ruling out any possibilities," said Marketing Manager Gustav Enekull. "But at this point we’ve only announced the Back to Karkand expansion pack, coming out later this year. What I can say, is that we want our dlc -- no matter how it’s set -- to be a new experience for the player. And that -- in theory -- could just be an extension of the co-op, for example.