User blog comment:Commdor/Rumor: ME3 "Rebellion" Multiplayer DLC Incoming/@comment-1074875-20120502155535/@comment-1221773-20120502160627

I think it's because multi and single-player are still being worked on by separate teams. The single-player team must be slower; I'm hoping that's a good thing and when we do finally get sp DLC, it'll be high-caliber stuff.