Spoilers ahead for Shazam! At the beginning of Shazam!, a young Dr. Sivana notices a caterpillar in an enclosure. Later in the film, we see that the enclosure is broken and the caterpillar is gone. And then in the mid-credits scene, we see Sivana scribbling symbols in his cell only to enter into a discussion with that caterpillar, who informs him and us that he is even more powerful than the sins and the wizards that were previously in conflict. It’s a lot to take in from a caterpillar with a voice box, and the caterpillar doesn’t …