Three Fly with Satan

Published in G-8 #68, 05/01/1939
[And what a three they are! Our hero, Bull and Nippy face the terrible Teutonic trio of Doktor Krueger, the Raven and Steel Mask, the villain who hid his disfigured face behind a metal mask decades before Doctor Doom and Darth Vader came along. The deadly trio have hatched an intricate plan that plays to each of their individual strengths. The object of their sinister plotting: the death of G-8 and his Battle Aces plus the end of the war in a Central Powers victory!]