“When 'Captain Marvel' hits theaters March 8, 2019, it’ll be the 21st entry in the MCU — and the first to star a solo female superhero. In the past decade, the MCU has assembled a diverse lineup of female heroes, from witches and warriors to widows and wasps. But never before has a woman headlined her own story — until Captain Marvel, the part-Kree, part-human pilot who made her comics debut back in 1968.”