Baron Zemo

Baron Zemo
Heinrich Zemo, the 12th Baron Zemo. Art by Steve Epting.
Publication information
Publisher	Marvel Comics
First appearance	Flashback: The Avengers #4 (March 1964) Actual appearance: The Avengers #6 (July 1964) The Death Ray of Dr. Zemo Sgt. Fury and His Howling Commandos #8 (July 1964)
Created by	Stan Lee (Writer) Jack Kirby (Artist)
In-story information
Alter ego	Dr. Heinrich Zemo
Team affiliations	Legion of the Unliving Masters of Evil Nazi Party
Abilities	Scientific genius Master swordsman and hand-to-hand combatant Skilled strategist

Baron Zemo was a fictional supervillain that appeared in various American comic books published by Marvel Comics. He was first seen in The Avengers #4 (March 1964).

The original version of Baron Zemo was created by Stan Lee and Jack Kirby and was first seen in a flashback in The Avengers #4 (March 1964); the character did not actually appear in person and was not identified by name until The Avengers #6 (July 1964) and Sgt. Fury and His Howling Commandos #8, in the same month. Zemo was retroactively added into the history of Captain America upon the hero's reintroduction to the Silver Age two issues prior. The character subsequently appears in The Avengers #7 (August 1964), #9-10 (October–November 1964), Tales of Suspense #60 (December 1964), and The Avengers #15 (April 1965), in which he is killed. After his death, Zemo appears in numerous flashbacks and time-travel stories, including The Avengers #21 (October 1965), Captain America #100 (April 1968), The Avengers #56 (September 1968), #58 (November 1968), Captain America #112 (April 1969), The Avengers King-Size Special #4 (January 1971), Captain America #168 (December 1973), The Avengers #131–132 (January–February 1975), Giant-Size Avengers #3 (January 1975), The Avengers (UK) #76 (March 1975), Fantastic Four Annual #11 (June 1976), What If? #4-5 (August, October 1977), Marvel Illustrated Books: The Avengers (June 1982), Captain America #297 (September 1984), #362 (November 1989), The Avengers #353-354 (September–October 1992), Captain America Annual #11 (1992), Captain America: Medusa Effect #1 (March 1995), Untold Tales of Spider-Man #13 (September 1996), Thunderbolts #-1 (July 1997), Captain America & Citizen V Annual 1998, Captain America: Sentinel of Liberty #12 (August 1999), Captain America #3-4 (March–April 2005), #6 (June 2005), #10 (October 2005), New Thunderbolts #18 (April 2006), Thunderbolts Presents: Zemo - Born Better #3-4 (June–July 2007), Fallen Son: The Death of Captain America #5 (August 2007), Avengers Classic #7 (February 2008), and Wolverine: Origins #20 (February 2008). The original Zemo received an entry in the original Official Handbook of the Marvel Universe #13, the Official Handbook of the Marvel Universe Deluxe Edition #16, and the Official Handbook of the Marvel Universe 2004 Book of the Dead.