Zack Snyder's Justice League revisits that "Knightmare" timeline that was first introduced in Batman vSuperman: Dawn of Justice. That's no kind of surprise twist or spoiler: Zack Snyder has literally spent years teasing DC fans with elements of the Knightmare world he wanted to explore in the larger Justice League trilogy. Now that the Snyder Cut is out, we have so many new reveals about how the story of Batman's campaign against Darkseid and Evil Superman is going - and where it could be headed next! Here is Zack Snyder's Justice League Knightmare scene, explained.