The best events and crossovers in comic book history are, at the top,Crisis on Infinite Earths(1985),The Infinity Gauntlet(1991),Secret Wars(1984) andCivil War(2006). This tier list classifies the major crossovers of universes according to their scale, their influence and their quality. Facts (authors, dates) verified, no invented odds.

The event is a perilous exercise: bringing together dozens of heroes in a plot that really matters. The best redefine their world; the less good ones are just a commercial pretext. This tier list distinguishes those who havelastingly marked the medium, by their narrative audacity and their posterity.

Editorial Ranks, Factsverified. Each event refers to a key number when it exists.

Tier list — events & crossovers
A
Blackest NightJohns & Reis, 2009 The Dark Phoenix SagaClaremont & Byrne, 1980 House of X / Powers of XHickman, 2019 AnnihilationGiffen & al., 2006
B
Sinestro Corps WarJohns, 2007 Secret WarsHickman, 2015 Age of ApocalypseX Office, 1995 FlashpointJohns & Kubert, 2011
C
Infinite CrisisJohns, 2005 Avengers vs. X-Mencollective, 2012 Final CrisisMorrison, 2008

Tier S: the founding events

Crisis on Infinite Earths(1985) overhauled the entire DC multiverse — the most influential event in history.The Infinity Gauntlet(1991) is the cosmic blockbuster that inspired the Avengers films.Secret Wars(1984) invented the modern concept of the crossover event (and introduced Spider-Man's black suit). AndCivil War(2006) divided Marvel heroes on a political issue that has remained cult.

Tier A: the great sagas

Blackest Nighttransformed the Green Lantern universe into an undead epic.The Dark Phoenix Saga(1980) remains the dramatic peak of the X-Men.House of X / Powers of X(2019) redefined mutants for a decade, andAnnihilationrelaunched the cosmic Marvel.

Tier B: notable events

Sinestro Corps Warprepared Blackest Night.Secret WarsHickman version (2015) merged all the Marvel universes.Age of Apocalypsedared a total alternate reality for the X-Men, andFlashpointserved as a pivot to the New 52.

Tier C: debate events

Infinite Crisis,Avengers vs. X-MenetFinal Crisisdivide readers: ambitious but sometimes confused. They remain important milestones, a step below the consensus events.

To remember

Frequently asked questions

Crisis on Infinite Earths(DC, 1985) is the most influential,The Infinity Gauntlet(Marvel, 1991) the most emblematic cosmic side. The choice depends on the preferred universe.

Not for the best: Infinity Gauntlet, Civil War or Dark Phoenix Saga can be read as the main series, without the countless tie-ins. The collections bring together the essentials.

Major event #1s and important first-appearance numbers can be. But many recent events are drawn in large quantities: rarity is not guaranteed.

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