User blog comment:James12708/Possibility of a Mass Effect 4/@comment-4118072-20121028191333/@comment-4118072-20121028212531

But who would have thought that the Forerunners/ Precursors could be as big a threat as the Covenant or Flood. As pointed out by a few in reviews for Leviathan if bioware did a sequel (Can't really see that though.) The Leviathans could be as big if not bigger a threat.