Adventures of Captain America — Marvel
Issue: #3
As Cap and Bucky get ever closer to confronting the Red Skull, the mystery identity of the evil Agent X is revealed -- and it shatters the world that Steve Rogers thought he knew forever!
Creators: Richard Starkings, Paul Mounts, Terry Austin, Kevin Maguire, Mike Rockwitz, Kevin West, Fabian Nicieza, Barry Dutter
Characters: Captain America, Bucky Barnes, Red Skull, Säurespritze, Chester Phillips, Cynthia Glass, Master Man, James Fletcher, Zahnmorder, Blitzkrieg