The first teaser trailer for “ Ice Cream Man ,” the next horror film from director  Eli Roth , has been released. The slasher will be released on Aug. 7 in 2,000 North American venues. The film is set in the idyllic summer town of Bayleen Bay, which descends into madness when an ice cream man serves kids from his truck with horrifying results. The 30-second teaser showcases a group of children descending into madness: Looming over sleeping parents, making snow angels in a pool of blood, and