Marvel · February, 1968
1st Appearance of Baron Zemo imposter; 1st Appearance of Whitney Frost; 2nd Appearance of Whiplash; Origin of Whitney Frost; Identity of Baron Zemo imposter revealed in Captain America (1st series) #100
Captain America: The Claw of the Panther!; Iron Man: The Warrior and the Whip!
Writer: Stan Lee
Artists: Jack Kirby, Gene Colan