With a subtitle like Dawn of Justice, we knew Batman v Superman would be giving us a tease of what’s to come in the imminent Justice League movie, which starts production in a few short weeks. What we didn’t know was how director Zack Snyder would be incorporating looks at these other Justice League members, which include Ezra Miller as The Flash, Jason Momoa as Aquaman, and Ray Fisher as Cyborg, with Gal Gadot’s Wonder Woman filling a supporting role in the film.
But now that Batman v Superman is in theaters, we can start digging deeper into the how and whys of these cameos, and I imagine the one most folks are curious about is Ezra Miller’s The Flash. His character actually gets two appearances, one alongside the other Justice League members when Wonder Woman is going through Lex Luthor’s computer files, and another much earlier in the film, when future-Flash appears to be giving Ben Affleck’s Batman an urgent message to do with his preconceived notions about Superman and the importance of Lois Lane.
So how did this cameo come about? Did Snyder and Co. shoot the scene with the intention of figuring out how it would fit into the larger universe later on, a la Breaking Bad, or was there an overall plan already in place? Steve posed these questions to producer Deborah Snyder at the film’s press day, and she says Flash’s future scene actually came about in the middle of production: