Whedon talked to USA Today at the premiere of Marvel's "Guardians of the Galaxy Vol. 2", and it sounds like he's not interested in casting an existing star for the role.
No other producers are attached to the Batgirl movie, though Toby Emmerich, Jon Berg and Geoff Johns will oversee the project for the studio, which apparently only came into being within the past couple of months.
Meanwhile, fellow director Patty Jenkins - who directed the upcoming DC Comics movie "Wonder Woman" - recently said she was "excited" to see what Joss would bring to the female superhero movie as she enjoys his "fun approach" to making movies.
"I don't have my eye on anyone". I'm creating this character.
He added to Variety magazine: "I doubt it will be a name. I think this is somewhere where you go and find Batgirl, then you cast her", Whedon said. Since the news, there's been plenty of speculation as to who might get the coveted role; Emma Stone always being the name to pop up the most frequently. Stars like Robert Downey Jr., Scarlett Johansson and Mark Ruffalo help make up the Marvel Universe, where as DC has gone with actors like Ben Affleck, Will Smith and Gal Gadot for its movies.
In the midst of his media-trained reply, Whedon implied that he won't be looking at a "name" actress, but rather an unknown actress to embody the police commissioner's daughter-turned-vigilante. And a situation like this, the name carries a lot of weight, so its not as critical. He just wants somebody who is right for the role. "I just couldn't stop thinking about it".
It certainly sounds like Joss Whedon has already started on the project and is preparing to find the flawless Batgirl.
Whedon is asked about the potential for Batgirl to be someone famous.