Helmut Zemo (civilian identity of Baron Zemo)
Helmut Zemo (civilian identity of Baron Zemo) appears in 94 issues in grailworth's catalog, and was first published in 1973. First appearance: Wolverine: Days of Future Past #1 (1997), cover dated 1997.
First appearance
Origin
Deaths
Every appearance we value
Amazing Spider-Man (1963) 1 issue
Amazing Spider-Man (1999) 1 issue
Avengers (1998) 1 issue
Avengers Finale (2005) 1 issue
Captain America (1968) 24 issues
Captain America (2005) 1 issue
Dark Avengers (2009) 1 issue
Deadpool Max (2010) 1 issue
Incredible Hulk (1962) 2 issues
Marvel Zombies: Dead Days (2007) 1 issue
One World Under Doom (2025) 1 issue
Thunderbolts (1998) 1 issue
U.S.Avengers (2017) 1 issue
Ultimate Thor (2010) 1 issue
Character appearances from the Grand Comics Database, CC BY-SA 4.0.