Captain Marvel #17 (Marvel, 1969) 1st New Costume 1st Nega-Bands Gil Kane VG | eBay
How many Captain Marvels are there in Marvel Comics? | GamesRadar+
Mar-Vell Explained: The Many Identities of Captain Marvel - The New York Times
Marvel Super-Heroes #13 1967 first printing original Comic Book 1st appearance Carol Danvers Captain Marvel at Amazon's Entertainment Collectibles Store