In the comics, seven distinct characters were called Captain Marvel, while Carol Danvers began as Mar-Vell's rather helpless assistant, relaunched herself as Ms. Marvel with superpowers and a forty-year Avengers career, and finally achieved captaincy. The film gleefully nods to the past characters (including Shazam ) and storylines. It builds on the Marvel Cinematic Universe, from the earliest days of S.H.I.E.L.D. to Guardians of the Galaxy. Meanwhile,...