Jul 1, 1962 CE
First Appearance of Thor
Thor, the God of Thunder, appears in Journey into Mystery #83, bringing mythological depth to the Avengers. #comics #mythology )
Chronological Storyline (42 Milestones)
Mar 1, 1963 CE
First Appearance of Iron Man
Iron Man debuts in Tales of Suspense #39, later a founding Avenger, symbolizing technological innovation. #comics #tech
Sep 1, 1963 CE
Avengers #1 Debuts
The Avengers assemble for the first time in Marvel Comics, with Thor, Iron Man, Hulk, Ant-Man, and Wasp forming the team. #comics #marvel )
May 1, 1965 CE
First Appearance of Kang the Conqueror
Kang the Conqueror, a time-traveling villain, first appears in Avengers #8, becoming a major antagonist for the team. #comics #villains
Jul 1, 1966 CE
First Appearance of Black Panther
T'Challa, the Black Panther, debuts in Fantastic Four #52, later joining the Avengers and representing African excellence in comics. #comics #diversity )
Oct 1, 1968 CE
First Appearance of the Vision
The android Vision appears in Avengers #57, created by Ultron, and becomes a key Avenger and tragic hero. #comics #andriod )
Jul 1, 1971 CE
Kree-Skrull War Storyline Begins
Avengers #89 kicks off the epic Kree-Skrull War, a cosmic conflict that tests the Avengers and introduces the Supreme Intelligence. #comics #cosmic
Feb 1, 1973 CE
First Appearance of Thanos
Thanos, the Mad Titan, debuts in Iron Man #55, later becoming a central figure in Avengers battles and Secret Wars. #comics #villain
May 1, 1977 CE
Ms. Marvel (Carol Danvers) Debuts
Carol Danvers becomes Ms. Marvel in Ms. Marvel #1, later taking the mantle of Captain Marvel and leading the Avengers. #comics #female_hero )
May 1, 1984 CE
Marvel Super Heroes Secret Wars Begins
The first Secret Wars limited series launches, bringing together heroes and villains on Battleworld, and introducing Spider-Man's symbiote. #comics #secretwars
Oct 1, 1985 CE
Secret Wars II
The Beyonder returns in Secret Wars II, interacting with Earth's heroes and exploring humanity. #comics #crossover
Aug 1, 1988 CE
The Evolutionary War
The High Evolutionary's Evolutionary War crosses over all Marvel titles, involving the Avengers in a conflict over genetic perfection. #comics #evolution
Jul 1, 1991 CE
Infinity Gauntlet Miniseries
Thanos wields the Infinity Gauntlet in this epic miniseries, pitting the Avengers and cosmic beings against him. #comics #infinity
Jun 1, 1992 CE
Operation: Galactic Storm
The Avengers and other heroes engage in the Kree-Shi'ar War in Operation: Galactic Storm, a major cosmic crossover. #comics #cosmic
Jul 1, 1996 CE
Onslaught: The Marvel Universe vs. Onslaught
The psychic entity Onslaught threatens the Marvel Universe, forcing the Avengers to team up with the X-Men and other heroes. #comics #onslaught )
Feb 1, 1998 CE
Ultron Unlimited Storyline
Ultron returns with a vengeance in Avengers #19-22, massacring a European country and forcing the Avengers to unite. #comics #ultron
Sep 1, 1998 CE
Avengers Forever Storyline
Kurt Busiek and Carlos Pacheco's Avengers Forever explores time travel and Avengers history, bringing together various eras. #comics #time_travel
Aug 1, 2000 CE
Maximum Security Crossover
Earth is declared a penal colony by alien races, leading the Avengers to fight for freedom in Maximum Security. #comics #aliens )
Jan 1, 2004 CE
Avengers Disassembled
The Scarlet Witch's breakdown causes the Avengers to disband in this seminal storyline by Brian Michael Bendis. #comics #tragedy
Jan 1, 2005 CE
New Avengers Vol. 1 Launches
Brian Michael Bendis launches New Avengers, featuring a new roster including Spider-Man, Wolverine, and Captain America. #comics #new_era )
Jul 1, 2006 CE
Civil War Crossover Event
The Superhuman Registration Act divides Marvel heroes into opposing factions led by Iron Man and Captain America in Civil War. #comics #civilwar )
Jan 1, 2007 CE
Mighty Avengers Debut
Following Civil War, Iron Man leads the Mighty Avengers as a government-sanctioned team. #comics #avengers
Apr 1, 2008 CE
Secret Invasion Begins
The Skrulls infiltrate Earth in Secret Invasion, replacing heroes with impostors and sparking a global paranoia. #comics #invasion
Sep 1, 2009 CE
Dark Reign: Norman Osborn Rules
Norman Osborn takes control of national security after Secret Invasion, forming his own Dark Avengers. #comics #dark
Jan 1, 2010 CE
Siege of Asgard
Norman Osborn's attack on Asgard culminates in the Siege storyline, leading to the reformation of the Avengers. #comics #siege )
Apr 1, 2011 CE
Fear Itself Event
The Serpent, god of fear, threatens Earth, and the Avengers must rise to overcome their deepest fears. #comics #fear )
May 4, 2012 CE
Marvel's The Avengers Film Released
The blockbuster film unites Earth's Mightiest Heroes on screen, inspiring new comic storylines and a cinematic universe. #comics #film )
Oct 1, 2012 CE
Avengers vs. X-Men
The Avengers and X-Men clash over the Phoenix Force, leading to a massive conflict with lasting consequences. #comics #vs
Mar 1, 2013 CE
Age of Ultron Crossover
Ultron takes over the world in Age of Ultron, forcing heroes to time-travel and alter history. #comics #ultron
Dec 1, 2013 CE
Infinity (2013) Event
Thanos invades Earth while the Builders attack the galaxy, leading to a massive cosmic war. #comics #infinity )
May 1, 2015 CE
Secret Wars (2015) Relaunch
Jonathan Hickman's Secret Wars concludes his Avengers saga, destroying and rebooting the multiverse into Battleworld. #comics #secretwars )
Oct 1, 2016 CE
Civil War II
A new conflict erupts over predictive justice using an Inhuman named Ulysses, dividing heroes again. #comics #civilwar
Jun 1, 2017 CE
Secret Empire Reveal
Captain America is revealed as a Hydra sleeper agent in Secret Empire, leading to a dystopian takeover and resistance. #comics #secretempire )
May 1, 2018 CE
Avengers: No Surrender
A 16-part weekly story unites multiple Avengers teams against the Grandmaster and the Challenger. #comics #avengers
Apr 1, 2019 CE
War of the Realms
Malekith leads an invasion of Midgard, uniting all realms against the Avengers and allies. #comics #war
Jan 1, 2020 CE
Avengers: The Death of Doctor Strange
The Avengers investigate the murder of Doctor Strange, uncovering a mystical threat. #comics #magic
Nov 1, 2021 CE
Avengers: Forever Begins
A new ongoing series by Jason Aaron explores the Avengers across time and space, including prehistoric and future versions. #comics #time )
May 1, 2022 CE
Avengers: The Crossing Line
The Avengers face the return of Kang in a storyline that reshapes the timeline. #comics #kang )
Jan 1, 2023 CE
Avengers: Twilight
An alternate future storyline by Chip Zdarsky where the Avengers return to a dystopian world. #comics #alternate
Jun 1, 2024 CE
Blood Hunt Crossover
A vampire invasion threatens the Marvel Universe, forcing the Avengers to ally with Blade and the supernatural. #comics #vampire )
Jan 1, 2025 CE
Avengers: The End
A hypothetical final battle for the Avengers as they face the ultimate threat. #comics #future )
Aug 1, 2025 CE
Secret Wars: New Multiverse
The aftermath of the 2015 Secret Wars continues to unfold, with new realities and conflicts emerging. #comics #secretwars )