Sep 1, 1963 CE
The Avengers Assemble!
The Avengers first appear in The Avengers #1, assembling Iron Man, Thor, Hulk, Ant-Man, and Wasp to battle Loki. This marks the birth of Earth's Mightiest Heroes. #comics #avengers )
Chronological Storyline (45 Milestones)
Mar 1, 1964 CE
Captain America Revived
Avengers #4 revives Captain America from suspended animation, introducing a key leader and symbol of the team. His presence deepens the Avengers' connection to World War II history. #comics #captainamerica )
May 1, 1965 CE
First Kang the Conqueror Appearance
Kang the Conqueror debuts in Avengers #8, becoming a recurring time-traveling foe. His complex history with the Avengers spawns many epic battles across timelines. #comics #villains
Aug 1, 1966 CE
The Masters of Evil Form
Baron Zemo forms the first Masters of Evil in Avengers #6, a supervillain team that repeatedly clashes with the Avengers. This establishes the pattern of villainous alliances. #comics #mastersofevil
Feb 1, 1967 CE
The Whirlwind Battle
Avengers #21 features a major battle with the Whirlwind and the introduction of the Vision's precursor, the Human Torch. Highlights the team's expanding rogues gallery. #comics #avengers )
Oct 1, 1968 CE
The Vision Joins
The Vision, created by Ultron, joins the Avengers in Avengers #58. His complex humanity and relationships become central to many storylines. #comics #vision )
Mar 1, 1970 CE
Kree-Skrull War Begins
The epic Kree-Skrull War storyline starts in Avengers #89, a cosmic conflict that tests the Avengers and introduces the Supreme Intelligence. It is a landmark space opera. #comics #kreeskrullwar
Jun 1, 1971 CE
Avengers Defeat the Squadron Supreme
The Avengers battle the Squadron Supreme, a pastiche of the Justice League, in Avengers #85-86. This crossover highlights the rivalry between Marvel and DC. #comics #crossover
Apr 1, 1972 CE
The Avengers vs. Thanos
Thanos first battles the Avengers in Iron Man #55, but a major clash occurs in Avengers #125. This sets up the cosmic threat that culminates in Infinity Gauntlet. #comics #thanos
May 1, 1973 CE
The Serpent Crown Conspiracy
Avengers #145-146 features the Serpent Crown, an artifact that causes chaos. This storyline deals with mystical threats and political intrigue. #comics #magic
Sep 1, 1974 CE
Avengers vs. The Defenders
The Avengers and Defenders clash in a crossover event (Avengers #115-118) due to a misunderstanding over a cosmic artifact. This is one of Marvel's first major team vs. team battles. #comics #crossover
Jan 1, 1975 CE
First Appearance of Ultron
Ultron appears in Avengers #54 (1975) but is fully introduced in #57. As a rogue AI, he becomes one of the Avengers' most dangerous foes. #comics #ultron
Jun 1, 1976 CE
The Celestial Madonna Saga
Avengers #129-135 tells the Celestial Madonna Saga, involving Kang, the Vision, and the Scarlet Witch. It deepens character relationships and cosmic lore. #comics #celestialmadonna
May 1, 1977 CE
The Avengers vs. Count Nefaria
Count Nefaria battles the Avengers in a storyline that showcases his ionic powers. This event highlights the threat of super-powered crimelords. #comics #villains
Nov 1, 1978 CE
The Korvac Saga
Avengers #167-177 features the Korvac Saga, where a cosmic-powered man threatens all reality. This is considered one of the greatest Avengers stories, exploring themes of power and sacrifice. #comics #korvac
Sep 1, 1980 CE
The Avengers vs. The Molecule Man
Avengers #195-196 features the Molecule Man, a reality-warper. The battle underscores the need for teamwork against cosmic foes. #comics #moleculeman
May 1, 1982 CE
The Trial of the Hulk
Avengers #228-230 involve the Hulk being put on trial by the Avengers, exploring his dual nature and the team's internal conflicts. #comics #hulk )
May 1, 1984 CE
Marvel Super Heroes Secret Wars
The first Secret Wars miniseries (12 issues) is published, featuring a cosmic being called the Beyonder pitting heroes and villains against each other on Battleworld. This event introduces the black symbiote that becomes Venom. #comics #secretwars
Jun 1, 1985 CE
Avengers Under Siege
Avengers #270-277 features the Masters of Evil attacking Avengers Mansion, severely injuring Jarvis. This gritty storyline shows the vulnerability of the team. #comics #undersiege
Sep 1, 1986 CE
The Crossing Line
Avengers #283-284 features the Avengers dealing with the revelation of a traitor and the death of a team member. It highlights internal tensions. #comics #avengers )
Oct 1, 1987 CE
The Evolutionary War
Avengers Annual #16 and other annuals tie into The Evolutionary War, featuring the High Evolutionary. The Avengers battle to prevent genetic alteration of humanity. #comics #evolutionarywar
Aug 1, 1988 CE
Inferno Crossover
The Avengers are embroiled in the Inferno event, fighting demonic invasions in New York. This crossover expands the supernatural side of Marvel. #comics #inferno )
Nov 1, 1989 CE
Acts of Vengeance
The Acts of Vengeance crossover sees Loki orchestrating a global supervillain conspiracy, forcing the Avengers to face unfamiliar foes. #comics #actsofvengeance
Jun 1, 1991 CE
Operation: Galactic Storm
Avengers #345-347 and related titles feature Operation: Galactic Storm, a conflict between the Kree and Shi'ar empires. The Avengers must choose sides, leading to moral dilemmas. #comics #galacticstorm
Jul 1, 1992 CE
The Infinity War
The Infinity War crossover pits the Avengers against the Magus and doppelgangers. It explores the consequences of the Infinity Gauntlet storyline. #comics #infinitywar
Aug 1, 1993 CE
The Infinity Crusade
The Infinity Crusade concludes the Infinity trilogy, with the Goddess manipulating heroes. The Avengers play a key role in stopping her. #comics #infinitycrusade
Nov 1, 1994 CE
Avengers: The Crossing
The controversial storyline 'The Crossing' sees an older Scarlet Witch and a traitorous Vision. It leads to the death of a major character and a reboot. #comics #thecrossing )
Apr 1, 1996 CE
Avengers Forever
The miniseries Avengers Forever (12 issues) explores time travel and features the Avengers battling Kang across history. It is a classic celebration of the team's legacy. #comics #avengersforever
Sep 1, 1998 CE
The Avengers: The Ultron Imperative
In a one-shot, the Avengers face an alternate future where Ultron wins. This story highlights the ongoing threat of Ultron. #comics #ultron
Aug 1, 2000 CE
Avengers Disassembled
Avengers #500-503 features the Scarlet Witch's breakdown, leading to the deaths of several heroes and the disbandment of the team. This event reshapes the Avengers for years. #comics #avengersdisassembled
Sep 1, 2004 CE
New Avengers: Breakout
The New Avengers series begins with a mass escape from the Raft, leading to a new team formation. This relaunch revitalizes the franchise. #comics #newavengers )
Jul 1, 2005 CE
House of M
The House of M crossover focuses on Scarlet Witch altering reality. The Avengers are key to restoring the world. #comics #houseofm
Jul 1, 2006 CE
Civil War
The Civil War event splits the superhero community over the Superhuman Registration Act, pitting Iron Man against Captain America. The Avengers are divided. #comics #civilwar )
Jun 1, 2007 CE
Secret Invasion
The Secret Invasion reveals that Skrulls have infiltrated Earth, including replacing several Avengers. The battle to reclaim their identities is epic. #comics #secretinvasion
Aug 1, 2008 CE
Avengers: The Initiative
The Initiative program trains new heroes, leading to battles against threats like the Hood. This storyline expands the Avengers franchise. #comics #initiative
Mar 1, 2010 CE
Siege of Asgard
The Siege event sees Norman Osborn and his Dark Avengers attacking Asgard. The heroic Avengers rally to defend it, ending the Dark Reign era. #comics #siege )
May 1, 2012 CE
Avengers vs. X-Men
The Avengers and X-Men clash over the Phoenix Force's return, with the fate of Hope Summers at stake. This massive crossover redefines relationships. #comics #avx
Dec 1, 2013 CE
Infinity
The Infinity crossover involves Thanos invading Earth while the Avengers are in space. It introduces the Builders and the Illuminati's secrets. #comics #infinity )
May 6, 2015 CE
Secret Wars (2015) Begins
The modern Secret Wars miniseries (9 issues) by Jonathan Hickman, where the multiverse is destroyed and Battleworld is created by Doctor Doom. It culminates in a new Marvel Universe. #comics #secretwars2015 )
Oct 1, 2016 CE
Avengers: Standoff!
The Standoff! event involves a secret prison town and the return of Kobik, a sentient Cosmic Cube. The Avengers confront old allies and enemies. #comics #standoff
Apr 1, 2017 CE
Secret Empire
The Secret Empire event sees Captain America (Hydra version) take over the United States, leading to a resistance by the Avengers and other heroes. #comics #secretempire )
Jul 1, 2018 CE
Avengers: No Surrender
A 16-part weekly storyline where the Avengers fight the Grandmaster and the Challenger in a contest that endangers Earth. #comics #nosurrender
Jan 1, 2019 CE
Avengers: No Road Home
A weekly sequel to No Surrender, involving the Avengers battling Nyx, the goddess of night, across the multiverse. #comics #noroadhome
May 1, 2021 CE
Avengers: Enter the Phoenix
The Avengers compete in a Phoenix-related tournament across the galaxy, leading to the resurrection of Echo as a Phoenix host. #comics #phoenix )
Feb 1, 2023 CE
Avengers: The Death of Doctor Strange
The Avengers investigate Doctor Strange's murder, leading to a battle with the villainous forces of the mystical realm. #comics #doctorstrange