Here you will find all the alternate characters that have taken up the code name Marvel in some form or another, be it Captain, Ms, Girl, Man etc.
Captain Marvel
Others: Phyla-Vell
Marvel Girl
Ms. Marvel
Others: Sharon Ventura | Agent 17 | Deidre Wentworth | Suzy Sherman
Marvel Boy
Others: Robert Grayson | Thelius | David Bank | Martin Simon Burns | Martin Oksner Burns
Near Complete Set 