The Underworld movies have been pitting vampires and werewolves against each other since 2003, which is kind of amazing. In the fifth installment, Blood Wars, Kate Beckinsale is back in goth badass mode as Selene, whose enhanced vampire blood could tip the scales if it falls into the wrong hands… er, claws.
Source: io9 – Kate Beckinsale Dons Her Leather Battlesuit Yet Again for the New Underworld: Blood Wars Trailer