Scourge of the Sky Monster
Robert J. Hogan
Published in G-8 #104, 06/01/1943
Terror prowls the skies over No Man's Land, a deadly creature of cloud that threatens to destroy half a planet. And from a frantic army at bay comes the secret call for G-8 — asking him to fight a duel to the death, sight unseen, against a scourge no bullet can slay!