Matthew K. Firpo and Ryan Firpo's script was at the very top of the 2017 Black List, which is a list of the year's most-liked unproduced scripts.
Gal Gadot was originally in talks to star in the movie in 2017, until Margot Robbie replaced Gadot in September 2018 with Matthias Schoenaerts also set to star with original director Justin Kurzel.