Director Scott Cooper has tackled gritty crime dramas, Western adventures, and even a romantic musical drama in his ten years at the helm; Antlers will mark his first all-out horror film. And as the first trailer for the film shows, it might not be his last. The creepy "horror in the hills" vibe is strong here thanks to Cooper's cinematically trained eye and Nick Antosca's thoroughly creepified source material, though having Guillermo del Toro on the film's production team likely has a little something to do with the aesthetic, too. Cooper directs from a screenplay by …