Originally Presented in Captain America (1968 1st Series) #100 - "This Monster Unmasked!" Starring Captain America. Guest-starring Black Panther. Cameos by the Avengers and Sub-Mariner. Written by Stan Lee. Art by Jack Kirby and Syd Shores. After a quick recap of how the Sentinel of Liberty arrived in modern times, Cap, T'Challa and Sharon Carter suddenly find themselves surrounded. Outnumbered and out gunned, our heroes soon learn that they face the sinister World War II criminal Baron Zemo! But that's impossible, Zemo is dead, isn't he? Cover price $0.30.