The Black Aces of Doom
Robert J. Hogan
Published in G-8 #55, 04/01/1938
Born of the dank and lecherous swamp, with a thirst for the blood of their fellow men, the Black Aces of Doom flew the night skies of war! They flung their hideous challenge to G-8, and the Master Spy accepted, knowing that his life was the prize of the game, that failure would mean only — Death!