Tags: Comics Character.
Baron Zemo is the name of two fictional characters both supervillains in various Marvel Comics comic books notably Captain America and the Avengers. The original Baron Zemo was first seen in The Avengers #4 (March 1964); the second Baron Zemo first appeared in Captain America #168 (December 1973).In 2009 Baron Helmut Zemo was ranked as IGN’s 40th Greatest Comic Book Villain of All Time.