The 52-year-old director is taking on directorial duties for the DC Extended Universe movie which is currently in early development stages, and says he couldn't turn his attention away from how intense the superhero's life is in the comic book, according to The Hollywood Reporter.
"She came up, and I started getting obsessed with how a young woman could get hardcore enough to need to put on the cowl. Like, what's her damage?
"She didn't have her parents killed in an alley. Who is this person, who decides -- rather than being forced to by their childhood trauma -- decides to pick up this life? How intense and driven that person is ... I just couldn't stop thinking about it.