As Marvel moves into Phase Three we are finally seeing them address what has been their most glaring weakness. That would be the treatment of their female characters, like Scarlett Johansson's Black Widow, Natalie Portman's Jane Foster, Evangeline Lilly, and Gwyneth Paltrow's Pepper Potts. Not much to go on, really, but that could be changing with the additions of Elizabeth Debicki, Rachel McAdams, Cate Blanchett, Tessa Thompson, and Lupita Nyong'o occupying some major space in upcoming films. Plus Black Widow may be getting her own solo movie soon. But the most coveted role remains out there, and that of course is Captain Marvel, and a new frontrunner has emerged.
Variety reports that Oscar winner Brie Larson is in talks and is "leaning toward" starring in Captain Marvel. She would be playing Air Force pilot Carol Danvers who gains super powers after her DNA is fused with an alien after a freak accident. In the comics, Carol undergoes many changes, both physically and emotionally, but she remains one of the Avengers' strongest members, even leading the team for a time.
Larson leads a pack of contenders rumored to include Emily Blunt and Rebecca Ferguson, while others have put their name out there as candidates. The story suggests we could see Larson suit up as Captain Marvel before her solo film arrives in 2019, and the most likely place for that to happen would be in Avengers: Infinity War which arrives in May 2018.
As of now there is no director attached to Captain Marvel but writers Nicole Perlman (Guardians of the Galaxy) and Meg LeFauve (Inside Out) are working on the script. Marvel will most likely look for a female director, and a few options floated were Angelina Jolie, Emily Carmichael, and Ava DuVernay at one point.