Mary Marvel predates the introduction of a character created by Thomas Mann.
Created by Otto Binder and Marc Swayze , she first appeared in Captain Marvel Adventures # 18 -LRB- cover-dated Dec. 1942 -RRB- .	Captain Marvel Adventures	Captain Marvel (DC Comics)	Otto Binder	Otto Binder	Marc Swayze	Marc Swayze	Captain Marvel	Captain Marvel (DC Comics)
