Megaton is a fictional character appearing in American comic books published by Marvel Comics. The character first appeared in Captain Marvel #22 (September 1972).[1]
Jules Carter was transformed by nuclear energy into Megaton, and was defeated by Mar-Vell.[2]
. Jeff Rovin . . Facts on File . 1987 . New York . 0-8160-1356-X . 214–215. https://archive.org/details/encyclopediaofsu0000rovi_h5r9/page/214/mode/2up