Inside Out's Meg LeFauve and Guardians of the Galaxy's Nicole Perlman have been hard at work on the Captain Marvel script for over a year, but as has happened with other major blockbusters in the past, it sounds like the story is taking longer to perfect. Because of that, they're holding off hiring a director until the writers have a better idea of where Carol Danvers will go in her movie, which makes sense. This will be the Marvel Cinematic Universe's first female-led superhero movie, so it's important that all the important story elements are ironed out so they can discuss the important details with whomever ends up leading the charge.