Aside from David F. Sandberg's recent comments to Film Riot, everything that we currently know about the development of Shazam (which is admittedly not that much) seems to suggest that it's perfect for a man of his talents. The two feature films that he has to his name are horror movies, but they're horror movies grounded by phenomenal performances by child actors. Sandberg seems to have a knack for getting good work out of young performers (which isn't necessarily an easy task), so it seems like a solid indication that he will be able to place just as much emphasis on Billy Batson as he will on Shazam himself when the upcoming solo film debuts. Now it's just a matter of who he will enlist to take on both of those roles.