User blog comment:James12708/Reapers VS. Forerunners VS. Angels from Darksiders VS. Humanity from Halo VS. Council and humanity from Mass Effect VS. Imperium of Man/@comment-50.80.96.33-20130131065438/@comment-1683193-20130201113025

Actually,the other Forerunners might appear in Halo 5 as the Didact seems to have been captured by them at the end of Halo 4.