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from www.tmz.com – It’s been seven years since WWE superstar Chyna released her horrifying sex tape — and TMZ has learned, she’s making a triumphant return to the adult industry … in an EXTREMELY graphic porno.

Vivid President Steve Hirsch tells TMZ, Chyna approached him months ago to breathe life into her XXX career — demanding to work with the biggest male porn star in the business.

Steve did her one better … and hooked her up with the TWO biggest male porn stars in the business — Evan and Lee Stone — and together, the threesome shot a gnarly skin flick … tentatively called “Backdoor into Chyna.”

The DVD is set for release in the near future — and if the title is any indication, Chyna may be riding a wheelchair to the premiere party.