Captain Marvel Adventures — Fawcett Publications
Issue: #3
Last valuation update: 2026-09-08
The Menace of Muscles McGinnis Einstein--Master of Space and Time Sivana's Paralyzing Gas Return of the Mogul Diamond (full text story by Carl Formes) The Terror of the Goptas Strange But True (facts) The Beast Ruler
First appearances: Muscles McGinnis
Creators: George Tuska, C. C. Beck, France Herron
Characters: Billy Batson, Dr. Sivana, Muscles McGinnis, Sterling Morris, Beautia Sivana