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Justice League Multiverse Events: Major Case Studies & Paradigm Shifts

Alternate Universes/3. Comics & Graphic Novel Universes/DC Universe/Heroes  •  Curated by Admin Timeline.sg

A timeline of major multiverse events in DC Comics' Justice League lore, from the first crossover between Earths to modern cosmic crises. This history traces the evolution of the DC multiverse concept through key storylines, reboots, and paradigm shifts.

Chronological Storyline (43 Milestones)

Jan 1, 1940 CE

Justice Society of America Debut

The first superhero team, later established as existing on Earth-2. Their existence was key to the multiverse concept when Earth-1 and Earth-2 crossovers began. #dccomics #jsa

Oct 1, 1956 CE

The Flash (Barry Allen) Debut

The introduction of the Silver Age Flash, later revealed to be from Earth-1. His meeting with Jay Garrick (Earth-2) launched the modern multiverse. #dccomics #flash )

Mar 1, 1960 CE

Justice League of America Debut

The first appearance of the Justice League of America in The Brave and the Bold #28. This team became the central force in DC's multiversal stories. #dccomics #justiceleague

Sep 1, 1961 CE

Flash of Two Worlds

The first modern multiverse story, where Barry Allen (Earth-1) meets Jay Garrick (Earth-2), establishing the concept of parallel Earths. This story laid the foundation for future Justice League multiverse events. #dccomics #multiverse

1963 CE

Crisis on Earth-One and Earth-Two

The Justice League of America and Justice Society of America team up in annual crossovers to fight villains from different Earths. These stories popularized the multiverse concept and set the stage for later Crises. #dccomics #justiceleague

1969 CE

Earth-3 Introduced

The first appearance of the Crime Syndicate of America, an evil counterpart to the Justice League from an antimatter universe. This further expanded the multiverse and provided a template for later doppelganger stories. #dccomics #multiverse

1973 CE

JLA/JSA Annual Team-Ups

The Justice League and Justice Society of America began annual crossovers, solidifying the concept of parallel Earths and multiverse collaboration. #dccomics #multiverse

Apr 1, 1985 CE

Crisis on Infinite Earths Begins

The 12-issue maxi-series that consolidated DC's multiverse into a single timeline, erasing Earth-2 and others. This paradigm shift permanently altered the Justice League's history and continuity. #dccomics #crisis

May 1, 1986 CE

Legends Event

A six-issue miniseries that redefined the Justice League after Crisis, introducing a new international roster. This event marked a shift toward a more globally diverse League. #dccomics #justiceleague )

May 1, 1987 CE

Justice League International

A relaunch of the Justice League with a global, diverse roster and a lighter tone. This series emphasized international cooperation and expanded the League's reach across Earths. #dccomics #international

Sep 1, 1994 CE

Zero Hour: Crisis in Time

A storyline that attempted to simplify DC continuity by rebooting the timeline, affecting the Justice League's history. It introduced the concept of hypertime and alternate futures. #dccomics #crisis

1996 CE

Kingdom Come

An elseworlds story set in a dystopian future of the DC Universe, exploring themes of legacy and the Justice League's role in a world gone astray. It became a seminal multiverse case study. #dccomics #elseworlds )

Sep 1, 1998 CE

JLA/Avengers Crossover

A landmark crossover between DC and Marvel, featuring the Justice League and Avengers. This event explored the multiversal connection between two major comic universes. #dccomics #marvel

Nov 1, 1998 CE

DC One Million

An event set in the 853rd century where the Justice League of the future interacts with the present, highlighting the multiverse's potential for far-future variations. #dccomics #future

Nov 1, 2003 CE

JLA: Earth 2

A graphic novel by Grant Morrison depicting the Crime Syndicate of Earth-2. This story delved into the moral inversion of the Justice League and became a classic multiverse case study. #dccomics #multiverse

Dec 1, 2005 CE

Infinite Crisis

A sequel to the original Crisis, restoring the multiverse after Superboy Prime punches reality. This event directly affected the Justice League's continuity and introduced new Earths. #dccomics #crisis

May 1, 2006 CE

52 Weekly Series

A one-year weekly series set in the missing year after Infinite Crisis, exploring the new multiverse and its 52 Earths. This series expanded the Justice League's multiversal awareness. #dccomics #multiverse )

May 1, 2008 CE

Final Crisis

A cosmic crisis involving Darkseid's attempt to conquer the multiverse, with the Justice League at the center of the conflict. This event redefined the concept of evil in the DC multiverse. #dccomics #crisis

Jul 1, 2009 CE

Blackest Night

A Green Lantern-centric event that involved the entire DC Universe, including the Justice League, as dead heroes and villains rise as Black Lanterns. This event explored death and resurrection across the multiverse. #dccomics #greenlantern

Oct 1, 2009 CE

The Brave and the Bold: The Lords of Luck

A storyline involving the Justice League and the Justice Society traveling to different alternate Earths, further exploring multiversal dynamics. #dccomics #multiverse )

Sep 1, 2011 CE

New 52 Justice League

A rebooted Justice League origin story set in the New 52 universe, featuring a younger team. This event reset the League's multiversal standing. #dccomics #new52 )

Sep 1, 2011 CE

Flashpoint

A timeline-altering event where Barry Allen creates a new reality, leading to the New 52 reboot. The Justice League is reconstituted with a younger, modern roster. #dccomics #flash )

Feb 1, 2013 CE

Justice League: The Villain's Journey

A storyline that introduced the concept of the 'Multiverse' as a key plot device, with the Justice League encountering alternate versions of themselves. #dccomics #multiverse )

Jul 1, 2013 CE

Trinity War

A conflict between the Justice League, Justice League of America, and Justice League Dark, uncovering a conspiracy that leads to Pandora's Box and the multiverse's fragility. #dccomics #justiceleague

Aug 1, 2014 CE

The Multiversity

A series of one-shots exploring different Earths in the DC multiverse, written by Grant Morrison. This project served as a comprehensive case study of multiverse possibilities and their impact on Justice League lore. #dccomics #multiverse

Sep 1, 2014 CE

Forever Evil

The Crime Syndicate of America from Earth-3 invades the main Earth, forcing the Justice League to fight their evil counterparts. This event deepened the multiverse concept by exploring evil doppelgangers. #dccomics #multiverse

Apr 1, 2015 CE

Convergence

A two-month event where cities from destroyed timelines and parallel worlds are brought together by the entity Telos, forcing heroes to battle for survival. This event celebrated DC's history and multiversal legacy. #dccomics #convergence )

Jun 1, 2015 CE

Justice League: Darkseid War

A massive storyline where Darkseid's death causes multiversal upheaval, leading to the Justice League gaining god-like powers. This event redefined the League's cosmic role. #dccomics #darkseid

May 1, 2016 CE

DC Rebirth

A relaunch that restored pre-New 52 elements and revealed that the multiverse was altered by Dr. Manhattan. This paradigm shift rekindled the Justice League's original spirit and legacy. #dccomics #rebirth

Jun 1, 2017 CE

Justice League: No Justice

A miniseries where the Justice League teams up with villains to save the multiverse from cosmic entities. This story expanded the multiverse's cosmology and introduced new team dynamics. #dccomics #justiceleague

Aug 1, 2017 CE

Dark Nights: Metal

A Batman-centric event where dark versions of Batman from the Dark Multiverse invade the main Earth, forcing the Justice League to confront the dangers of suppressed fears. This event introduced the Dark Multiverse concept. #dccomics #batman

Sep 1, 2018 CE

The Batman Who Laughs

A miniseries exploring a dark version of Batman from the Dark Multiverse, forcing the Justice League to confront psychological horrors. This event highlighted the dangers of the dark multiverse. #dccomics #batman )

Nov 1, 2019 CE

Doomsday Clock

A 12-issue series that concludes the Rebirth story and merges the Watchmen universe with the DC multiverse. This event had profound implications for the Justice League's place in the multiverse. #dccomics #watchmen

Doomsday Clock
Doomsday Clock
By User:Freedoxm based on work by RicHard-59 - Own work, CC BY-SA 4.0, https://commons.wikimedia.org/w/index.php?curid=182628423
Oct 1, 2020 CE

Death Metal: Last Stories of the Multiverse

A tie-in series exploring the fates of various Earths during the Death Metal event, serving as a multiversal anthology. #dccomics #deathmetal

Dec 1, 2020 CE

Dark Nights: Death Metal

The sequel to Metal, where the Batman Who Laughs reshapes reality, leading to a final battle that resets the multiverse. This event culminated in a new era for the Justice League. #dccomics #deathmetal

Mar 1, 2021 CE

Infinite Frontier

A relaunch that expands the multiverse to an Omniverse, with the Justice League becoming the caretakers of all realities. This paradigm shift introduced new teams like Justice League Incarnate. #dccomics #infinitefrontier

Jul 1, 2021 CE

Justice League: Last Ride

A miniseries set in an alternate future where the Justice League is disbanded, exploring multiversal consequences of past actions. #dccomics #justiceleague

Aug 1, 2021 CE

Justice League Incarnate

A miniseries featuring a team of heroes from different Earths assembled to police the multiverse. This series directly expanded on the Justice League's multiversal role. #dccomics #justiceleague

Mar 1, 2022 CE

Justice League vs. The Legion of Doom: The Dark Multiverse

A one-shot exploring a dark multiverse version of the classic rivalry, part of the 'Dark Multiverse' series. #dccomics #darkmultiverse

May 1, 2022 CE

Dark Crisis on Infinite Earths

A sequel to Crisis on Infinite Earths, where the Justice League is seemingly killed, and a new generation of heroes must protect the multiverse from a renewed threat. #dccomics #crisis

Jan 1, 2023 CE

Dawn of DC

A new editorial direction focusing on legacy and the future of the DC Universe, including a revamped Justice League. This initiative continues to explore multiversal threats and alliances. #dccomics #dawnofdc

Aug 1, 2023 CE

Knight Terrors

A horror-themed event where the Justice League and other heroes are trapped in nightmare realms, with multiversal implications for the nature of fear. #dccomics #knightterrors

Jan 1, 2024 CE

Justice League Unlimited: The Multiversity

A series that continues the legacy of the classic cartoon, exploring the wider DC multiverse and its infinite possibilities. #dccomics #justiceleagueunlimited