The kid, understandably, has trust issues if he’s been moving between foster homes for the better part of a decade.
Clearly, Billy will have difficulty adjusting to his new home, which, in addition to himself and his foster parents, also includes several other foster kids.
Shazam! will open with Billy Batson being placed in a new foster home, according to Entertainment Weekly, and based on Asher Angel’s comments, it doesn’t sound like he doesn’t take to it instantly.