Bryan Singer stands next to a giant Sentinel on the set of X-Men: Days of Future Past. The Sentinels are the reason the X-Men of old and new are joining forces.
Such is the nature of evil. Out there in the vast ignorance of the world it festers and spreads. A shadow that grows in the dark. A sleepless malice as black as the oncoming wall of night. So it ever was. So will it always be. In time all foul things come forth.