Spoiler-Filled "X-Men: Apocalypse" Promo Teases Classic Villain's Return

"X-Men: Apocalypse" is in theaters today and 20th Century Fox is now going for broke when it comes to teasers and promos. A new teaser for the film contains not one, but two major spoilers for the latest X-Men film. If you wish to remain unspoiled for "Apocalypse," it might be best to look away from this teaser -- and look away fast, because the default still YouTube uses is also a big spoiler.

The teaser reveals that -- another spoiler alert -- the Sentinels do appear in the film. A trio of the robots are seen stomping into view in the teaser, sporting the '70s design seen in "X-Men: Days of Future Past." Additionally, the teaser also shows Jean Grey fully enveloped in what looks like a Phoenix Force firebird, thus confirming what director Bryan Singer, producer Simon Kinberg and actress Sophie Turner have been hinting at for months.

"X-Men: Apocalypse" is in theaters now.

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