DC comics database, Aug. 6, 2013 (Captain Marvel is known as the world's mightiest mortal, a superhero with magic origins; in his secret identity he is young Billy Batson, an idealistic news reporter working in Fawcett City, but when he speaks the name shazam he transforms into his fully-grown heroic persona)
Wikipedia, October 15, 2013 (Captain Marvel, also known as Shazam, is a fictional superhero originally published by Fawcett Comics and later by DC Comics. Created in 1939 by artist C.C. Beck and writer Bill Parker, he first appeared in Whiz Comics #2 (February 1940); Alter ego: William Joseph "Billy" Batson)
Wikipedia, Feb. 26, 2014 (In July 2012, Carol Danvers, the longtime super-heroine known as Ms. Marvel, assumed the mantle of Captain Marvel in a new ongoing series by writer Kelly Sue DeConnick and artist Dexter Soy. Danvers sports a revamped costume to complement the codename. DeConnick stated at the 2012 WonderCon that the series will reflect on what the legend of Captain Marvel means to Danvers, what she will do with it and what the rest of the Marvel Universe thinks of her new role.)
