Operator #5: The Masked Invasion: First in the Classic Pulp ...
Curtis Steele
Operator 5 (0.0)
Operator 5 #11: The League of War-Monsters
Operator 5 (11)
Operator 5 #4: The Melting Death
Curtis Steele & Frederck C. Davis
Operator 5 (4)
Operator 5: The Yellow Scourge
Operator 5 #8: The Green Death Mists
Curtis Steele & Frederick C. Davis
Operator 5 (8)
Operator 5 #12: The Army of the Dead
Operator 5 (12)
Operator 5 #24: War-Masters From the Orient
Operator 5 (24)
Operator #5: Blood Reign of the Dictator
Operator 5 #5: Cavern of the Damned
Operator 5 (5)
Operator 5 #6: Master of Broken Men
Operator 5 (6)
Operator 5 #16: Legions of the Death Master
Operator 5 (16)
Operator 5 #21: Raiders of the Red Death
Curtis Steele & Emile C. Tepperman
Operator 5 (21)
Operator 5 #19: Attack of the Blizzard Men
Operator 5 (19)