The first trailer for writer-director Ari Aster's upcoming feature film Midsommar is here, and it's a doozy. If you're a fan of Herditary, or have become a cult devotee of the 2018 horror hit, some of these beats should be familiar to you: There's the creepy, rhythmic music; the abrupt editing style that cuts from one rich and colorful scene to the next; and the suffusion of pagan mythology that permeates the whole thing. We don't get a great sense of the characters here, either those arriving to the special, once-every-nine-years …