Shazam! just blasted off to a better-than-projected weekend at the Box Office, so it should come as no surprise that reports are already surfacing about Warner Bros.' plans for the sequel. The Wrap reports that DC and New Line have tapped Shazam! screenwriter Henry Gayden to return and pen the script for the sequel. The report notes that David F. Sandberg and producer Peter Safran are also expected to return. The latest superhero film in the evolving DC film universe, Shazam! is coming off a winning weekend, walking (or flying) away certified fresh on Rotten Tomatoes with an …