User blog comment:Commdor/Mass Effect 3: Leviathan trailer released/@comment-2228120-20120826055859

Some speculating: I vaguely recall reading somewhere that Leviathan should somehow affect the ending. If I'm not mistaken in this, then, how? I doubt very much they are going to change the Catalyst's option in any way and simply adding more EMS would be rather lame. IMHO, the DLC might add a couple of elements which are missing in ME3: exploration and unveiling the Reaper mystery, and, hopefully, proper foreshadowing of the Catalyst. - Though, should this happen, I'm not sure how to feel about it: such information should have been in the game proper, not in a DLC.