‘Boy Kills World’ Review: Bill Skarsgård Is a Deaf-Mute Avenger in an Action Film So Ultraviolent It’s Like ‘John Wick’ Gone ‘Clockwork Orange’

It’s the action film as slasher movie as gonzo damaged-superhero movie. It’s a depraved vision, yet I got caught up in its kick-ass action-horror pizzazz, its disreputable commitment to what it was doing.