User blog comment:Damac1214/Call of Duty: Advanced Warfare Reveal Trailer has Dropped/@comment-2092722-20140502115520/@comment-5670680-20140502135317

343 did it with Halo. Shadow Fall was completely different to Killzone 1,2 and 3. I think it is possible that this is in the timeline, as if WW3 was a catalyst to the whole PMC-almighty thing. Would be interesting.