Notes:
The on-sale date is from the publication date recorded in the Catalog of Copyright Entries, Part 2, Periodicals, 1941, New Series, Vol. 36, No. 3.
Character(s):
Captain Marvel [Billy Batson]; The Black Magician (villain, introduction); Nip (villain, introduction, Black Magician's son)
Synopsis:
A mysterious character, who hears Billy's broadcast in which he states that the stories of witchcraft and black magic have come out of the back country from time to time and are mostly pure imagination, decides to make a believer out of the young broadcaster!