Analysis of information sources in references of the Wikipedia article "Captain Marvel (DC Comics)" in Simple English language version.
By the middle of the decade, Captain Marvel had received a self-titled comic book, Captain Marvel's Adventures [sic], which had a circulation that reached 1.3 million copies per month. Captain Marvel's circulation numbers exceeded National's Superman title and the rivalry between the companies led National to sue Fawcett for plagiarism.
I've always felt that it was this origin story and concept that made Captain Marvel instantly popular, to the point that it was outselling every comic on the stands for several years throughout the '40s.
I've always felt that it was this origin story and concept that made Captain Marvel instantly popular, to the point that it was outselling every comic on the stands for several years throughout the '40s.