Warner Bros. unveiled the first trailer for The Batman on Saturday night as part of its day-long DC FanDome event. Matt Reeves directed the superhero movie, which introduces Robert Pattinson as the Caped Crusader, and right away, you can tell this is a dark and brooding take that, dare I say, looks almost Fincher-esque. The grim tone is set early on with Nirvana's somber-sounding "Something in the Way" dominating the soundtrack, and it's not long before the trailer serves up its first riddle. "From your secret friend. Who? Haven't a clue. Let's play …