X-MEN DAYS OF FUTURE PAST Television Spot Reveals Dirty Secret About the Sentinel Program

Nearly every Marvel fan wants to see the Sentinels of X-Men Days of Future Past in action. The second trailer showed the future's Mark X Sentinel briefly in action in several moments and now fans get to see the Mark I Sentinels on the attack.

[Related Story: X-MEN DAYS OF FUTURE PAST Finally Gets a Second Trailer, Plus Screenshots]

Actually, the Mark I Sentinels are on the attack (it's kind of a SPOILER too but it's a TV spot so you may see it regardless) in a quick glimpse from this new TV spot. Watch it below and check out some screenshots—click to enlarge—from it below the video too.