David F. Sandberg, the director of World's Mightiest Mortal gave fandom a treat by leaking a page of the screenplay.
a symbolic "middle finger"
to both the unpopular Curse of Shazam reboot of Captain Marvel, and
to the nagging calls by certain fans to include Superman in the movie as
Billy Batson's mentor. I really think we got the right guy for this movie. I'm feeling very optimistic.