Marvel Studios made a long-rumored casting official today, and the Marvel Cinematic Universe has its Carol Danvers. During a lively Hall H panel at Comic-Con International, the studio confirmed "Room" star and Academy Award-winning actor Brie Larson in the role. She'll make her first appearance in the upcoming "Avengers: Infinity War" and headline a "Captain Marvel" solo movie currently scheduled for release March 8, 2019.
Larson was reportedly in negotiations for the role in early June. After the panel, she posted a photo of herself wearing a Marvel Studios hat with the caption, "Call me Captain Marvel."
Source : CBR