On sale date from the publication date found at the Catalog of Copyright Entries, Part 2, Periodicals, New Series, Volume 35, 1940, Number 2. Class B periodical. Copyright number B 453645.
costume Duke O'Dowd wears on cover is the one he adopts next issue; pencil and inks ID by Greg Theakston
Duke O'Dowd gains a costume and super-power belt