Over the last 24 hours, Empire has teamed up with the X-Men to unveil 25 amazing covers to our new March issue to mark the upcoming Days Of Future Past . Now, like Jean Grey sacrificing herself for the team, we come to the end of our journey, and can reveal the final cover - this one showing a future-model Sentinel - and gather together the complete set. The film's cast, along with director Bryan Singer and Marvel godfather Stan Lee , unveiled most of the covers personally, and those of you who have been following the #Empire25 and #XMen hashtags will have seen the whole lot make their debut online. As for the design of this future Sentinel , inside the magazine we have an interview with production designer John Myhre who explains their look. Here's a little of what he had to say. "They're biomechanical weapons. We had to come up with what would be the ultimate version that could actually, in principle, stop the X-Men. We started with this idea that they were alm