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Fans of the Backstreet Boys, NSYNC, 98 Degrees and O-Town could never have seen this coming. Not even in their wildest, zombie-infested dreams.

The aforementioned boy bands, or at least a member or two of each, are teaming up to star in SyFy's brand new horror flick "Dead 7." Penned by Backstreet Boy Nick Carter, the film centers around a band of post-apocalypic gunslingers who team up to rid a small Western town of its zombie plague.

"Nick came to me while I was on tour and asked if I was willing to be a part of a film he was writing, and I said, yes, but on one condition: I have to be the villain,'" says Carter's bandmate A.J. McLean. "Everyone likes the bad guy the most."

Though McLean says he hasn’t done a feature film since he was a kid, he puts his all into making this "Dead 7" role different from anything fans have ever seen. "I watched 'A Clockwork Orange,' 'The Dark Knight' and 'Raising Cain,' and I figured this is the perfect setup of characters to make into my own," says McLean. "I didn’t want it to be like the Joker; I think my character, Johnny Villain, is a little more sinister. He stands out."

Audiences should also expect a little bit of over-the-top insanity from "Dead 7," especially considering it was produced by Asylum — the same folks who brought you "Sharknado."

"I think this could be equally as big as, or even bigger than, 'Sharknado,'" says McLean. "We were into our first week of shooting and we’re already talking about a prequel, or a 'Dead 8.' There is such a cult following for films like this."

Acting aside, McLean also took a moment to clear up any rumors that the Backstreet Boys and NSYNC were ever embroiled in any kind of feud.

"There was never any real rivalry," he remarks. "I think the press made that up because both groups were so similar, and [they thought] there was just no way that all of us could possibly be friends. But we were.”

"For example, I heard a lot of things about Chris Kirkpatrick hating me, which was never true," he adds. "He and I used to date the same girl — years apart — and that was the only link that we really had.

"If you believe the press and what tabloids said, Jennifer Aniston would have 15 kids by now!" he laughs.

Touché, A.J. Touché. 

While he was on the subject, McLean also named his favorite NSYNC songs ("Gone" and "It’s Gonna Be Me)," but perhaps more surprisingly, he wanted to talk about his least favorite Backstreet Boys song — and his choice might be just as shocking as his turn in SyFy's zombie movie.

"My least favorite BSB song is 'If You Want It to Be Good Girl (Get Yourself a Bad Boy).' Dumbest song ever recorded."

Tune in tonight for the premiere of McLean's new flick "Dead 7," airing tonight at 8 p.m. on SyFy.