With his next film Last Night in Soho awaiting release in the spring, Edgar Wright has signed on to direct Amblin's supernatural movie Stage 13, about a Hollywood backlot haunted by the ghost of a young actress from the silent film era. An American Pickle scribe Simon Rich will adapt his short story of the same name, which involves a ghost that has haunted the titular soundstage of a studio backlot for decades. When a struggling director meets the ghost, they find an unexpected kinship and team up to make their mark on the world. That's a pretty …