Back in 2017, when director Zack Snyder was working on his version of Justice League, it turns out he got some help from Chernobyl creator Craig Mazin.
“I saw the Zack Snyder Cut back when he was working on it.
I thought there were a couple things, like ‘Okay, here’s some suggestions and things,’” Mazin said.
Because they were talking about maybe doing a week or reshoots or something like that,” explained Mazin.