Of course there will be DLC to play after the ending. It's inevitable. :liplick:
Why, exactly? Mass Effect 1 didn't have DLC to play after the ending. In fact, the only game *ever* to have DLC to play after the ending AFAIK is Fallout 3.
DAO had an expansion to play after the end
if your character survived, but that's an expansion, and I wouldn't mind seeing a fully fledged expansion because that's pretty much the minimum you'd need to properly do your choices justice after the slideshow.