Warner Bros. has released a trailer for their upcoming feature “Dark Shadows” slated to hit theaters on May 11, 2012. “Dark Shadows” is a gothic comedy centered on vampire Barnabas Collins who returns from the 18th century to the 1970s in Collinsport, Maine. The film stars Johnny Depp, Eva Green, Michelle Pfeiffer, and Helena Bonham Carter as Dr. Julia Hoffman.