The folks at Screen Gems want to remind you why you need to see Underworld: Awakening, the fourth installment in the popular vampires-vs-werewolves franchise that sees the return of Kate Beckinsale as death-dealer Selene … and, it has little to do with supernatural creatures.

Sure, the new trailer provides better looks at Eve, Selene’s half-vamp/half-lycan teen daughter, and the film’s bigger, meaner, and hairier mega-lycan, but the hard sell comes near the end of the clip when it states “Kate Beckinsale In 3-D” and with a low angle shot of her crotch.

Well played, Screen Gems, well played. Underworld: Awakening opens Jan. 20, 2012.

Peep it: