Did you see DC's big-screen Shazam! adaptation? It's pretty delightful, right? At least when, as our own Matt Goldberg pointed out, it's not being shockingly dark. How did such intense horror imagery sneak its way into a family-friendly, four-quadrant superhero flick? Because it was directed by David F. Sandberg, who broke out with horror hits like Lights Out and Annabelle: Creation before getting scooped up by DC. Now, Sandberg will be combining these two impulses -- comic books and horror -- into one Netflix package. As reported by Deadline, Sandberg will be adapting horror graphic novel …