The first issue of the Captain America Series published in 1968. "This Monster Unmasked!". Captain America's origin is retold. This was the follow up on a story from the final issue of Tales Of Suspense #99 featuring Iron Man and Captain America. Captain America and Black Panther are captured by Baron Zemo. They defeat Zemo with the aid of Agent 13 but soon discover that it was not the real Baron Zemo.