For the first time in roughly five months, AMC Theatres will pop the popcorn, dim the lights, and start the show.But will anyone buy a ticket?AMC, the world’s largest movie theater chain, is reopening more than 100 U.S. locations on Thursday after closing their doors in March. Other major chains like Regal Cinemas and Alamo Drafthouse will also return this weekend, while Cinemark started its