Revealing mistake: When Nick cuts in half Tex, if you see closely the hair of Tex changes length showing the stuntman.
Revealing mistake: In the scene at the graveyard, after the Warlock assembles the Grand Grimoire and commands it to say God's true name, the fake headstone behind him starts to fall over. (01:33:02)
Suggested correction: Other headstones can be seen falling before this scene.
Revealing mistake: In the dream sequence while Bruce is now the Hulk, if you look closely beneath his green wig, the black hair of the actor is visible.
Revealing mistake: When the locksmith van stops at the mansion, the headlights have translucent covers taped to the grill. This was to prevent the lights from being too bright in the previous nighttime overhead shot.
Revealing mistake: When Briar is reloading cartridges in the flop house, he's removing powder from an already spent shotgun shell. The primer is indented.