Shazam director swore he'd never do another IP-based movie again after "crazy" backlash from DC fans, but Until Dawn's script was just too good to pass up: "I had to do it"

David F. Sandberg got death threats from DC fans after 'Shazam 2', almost quit IP movies: "A lot of that stresses me out so much and it will be nice not having to think about that anymore."