1940 CE
Baron Heinrich Zemo becomes a Nazi scientist
Heinrich Zemo becomes a leading Nazi scientist, developing super-weapons. His actions set the stage for his son's legacy. #marvel #comics #history
Chronological Storyline (36 Milestones)
1945 CE
Heinrich Zemo's death in battle with Captain America
Heinrich Zemo is killed by Captain America during World War II, leaving a legacy of villainy for his son. #marvel #comics #ww2
1950 CE
Birth of Helmut Zemo
Helmut Zemo is born to Heinrich Zemo and his wife. He grows up idolizing his father and vowing revenge against Captain America. #marvel #comics #origin
Dec 1, 1973 CE
First appearance of Baron Helmut Zemo
Helmut Zemo debuts in Captain America #168 as the new Baron Zemo, seeking to avenge his father's death. He wears a mask that becomes permanently fused to his face due to Adhesive X. #marvel #comics #villain
Jan 1, 1974 CE
First battle with Captain America
In Captain America #169, Helmut Zemo attacks Captain America but is defeated. This establishes him as a recurring antagonist. #marvel #comics #battle
1982 CE
Forms the first Masters of Evil
Zemo assembles a group of supervillains in Captain America #275 to attack Captain America, marking his first team leadership. #marvel #comics #team
May 1, 1986 CE
Siege of Avengers Mansion
Zemo leads a new Masters of Evil in Avengers #273-277, storming Avengers Mansion and defeating the team. The event solidifies him as a major threat. #marvel #comics #avengers )
1987 CE
Imprisonment after siege
Following the siege, Zemo is captured and imprisoned, leading to a period of downtime. #marvel #comics #prison
1991 CE
Escape from prison
Zemo escapes from custody and lays low, planning his next move. #marvel #comics #escape
Jan 1, 1997 CE
Founding of the Thunderbolts
In Thunderbolts #1, Zemo masquerades as the hero Citizen V and forms the Thunderbolts, a team of villains pretending to be heroes. The deception is a key storyline. #marvel #comics #thunderbolts )
Jun 1, 1997 CE
Heroic Citizen V persona established
The Thunderbolts gain public trust as heroes, with Zemo manipulating events behind the scenes. #marvel #comics #deception )
Nov 1, 1998 CE
Thunderbolts identity revealed
In Thunderbolts #12, Zemo's true identity as the mastermind is exposed, leading to his downfall and the team's reformation. #marvel #comics #reveal )
Dec 1, 1998 CE
Zemo's apparent death
In Thunderbolts #15, Zemo seemingly dies in a battle with the team, but he survives. #marvel #comics #death )
2000 CE
Return in New Thunderbolts
Zemo reappears alive in New Thunderbolts #1, plotting revenge against the team. #marvel #comics #return
2002 CE
Thunderbolts: Breaking Point - Acts of Atonement
Zemo begins a turn toward heroism, helping the Thunderbolts against a greater threat. #marvel #comics #antihero )
2003 CE
Saves the world from the Grandmaster
In Thunderbolts #110, Zemo plays a key role in stopping the Grandmaster, furthering his redemption. #marvel #comics #redemption )#Thunderbolts_(2002%E2%80%932003)
2004 CE
Becomes leader of the government-sanctioned Thunderbolts
Zemo takes command of a new Thunderbolts team under U.N. charter, acting as a hero. #marvel #comics #hero )#Thunderbolts_(2004%E2%80%932006)
2006 CE
Civil War: Registered as a hero
During the Civil War event, Zemo is among the registered heroes, but he secretly plans. #marvel #comics #civilwar )
2007 CE
Dark Reign: Joins Norman Osborn's Cabal
Zemo becomes a member of the Cabal under Norman Osborn, returning to villainy. #marvel #comics #darkreign )
2008 CE
Secret Invasion: Betrays the Skrulls
During Secret Invasion, Zemo double-crosses the Skrulls, helping Earth. #marvel #comics #secretinvasion
2009 CE
Leads the Thunderbolts in Dark Reign
Zemo takes over the Thunderbolts from Osborn, becoming the new villain leader. #marvel #comics #thunderbolts
2010 CE
Heroic Age: Captured and tried
In the Heroic Age, Zemo is apprehended and stands trial for his crimes. #marvel #comics #heroicage )
2011 CE
Fear Itself: Fights with the Serpent's forces
During Fear Itself, Zemo is involved in the conflict, but his role is minor. #marvel #comics #fearitself )
2012 CE
Uncanny Avengers: Infects Captain America
In Uncanny Avengers #1, Zemo infects Captain America with a virus, starting a major storyline. #marvel #comics #uncannyavengers
2013 CE
Avengers: Time Runs Out - Deals with the Beyonders
Zemo makes a deal with the Beyonders during the incursion crisis. #marvel #comics #timelines )
2014 CE
All-New, All-Different Marvel: Returns as a villain
In the new Marvel universe, Zemo continues his villainous activities. #marvel #comics #revamp
2015 CE
Standoff: Imprisoned in Pleasant Hill
Zemo is captured and brainwashed in the Pleasant Hill prison community. #marvel #comics #standoff )
2016 CE
Thunderbolts (vol. 3) - Forms new team
In the 2016 Thunderbolts series, Zemo forms a new team as an antihero. #marvel #comics #thunderbolts )
2017 CE
Secret Empire: Aids Hydra Captain America
Zemo becomes a key ally of the Hydra-controlled Captain America. #marvel #comics #secretempire )
2018 CE
Avengers: No Surrender - Minor role
Zemo appears briefly in the Avengers: No Surreach storyline. #marvel #comics #avengers
2019 CE
War of the Realms: Appears as a villain
Zemo is among the villains recruited by Malekith in War of the Realms. #marvel #comics #waroftherealms
2020 CE
Empyre: Attempts to exploit the Cotati
During Empyre, Zemo attempts to use the alien Cotati for his own agenda. #marvel #comics #empyre
2021 CE
The Death of Doctor Strange: Part of the gathering
Zemo is involved in the aftermath of Doctor Strange's death, scheming. #marvel #comics #doctorstrange
2022 CE
One-shot: Baron Zemo and the Helicarrier
A one-shot comic focusing on Zemo's attempt to steal the Helicarrier. #marvel #comics #oneshot
2023 CE
Appearance in Fall of X
Zemo plays a role in the Fall of X event, interacting with mutant characters. #marvel #comics #fallofx
2024 CE
Return to villainy in Avengers (2024)
Zemo appears in the new Avengers series as a recurring antagonist. #marvel #comics #avengers )