Galactusis one of the most powerful beings in Marvel Comics, and is also known for playing a unique role when theJustice Leagueand theAvengersteamed up to face the ultimate evil, Oan Krona. In fact, the two teams engaged in one of the biggest battles in comic book history over Galactus himself, as the planet devourer’s body became the battleground for this epic confrontation.

… Krona summoning villains from both universes to fight the combined might of the Justice League and the Avengers.

JLA Avengers Ship approaches the remains of Galactus

From the creative team of Kurt Busiek and George Pérez,JLA/Avengersfollows Oan Krona as he traverses the multiverse,laying waste to entire universes in his search for the ultimate secret: what existed before the Big Bang?

WhenKrona arrives in the Marvel Universe,he is stopped by the Grandmaster, who temporarily saves his reality by revealing Galactus.Since Galactus is the only being who lived before the universe began, Krona becomes eager to meet the cosmic entity who witnessed the dawn of everything.

JLA Avengers both teams charge into battle

Krona Used the Bones of Galactus to Build His Fortress

JLA / Avengers#1 Was Released Septemeber 3, 2003

To stall Krona from destroying his universe, the Grandmaster proposes a game:each will enlist the greatest champions of their respective worlds to hunt down twelve powerful artifacts across both universes. TheJustice League and the Avengers, unaware of the true stakes, compete to secure the most objects. The League ultimately claims victory, capturing seven of the twelve. However, Krona refuses to honor the game’s terms, attacking the Grandmaster and extracting all his knowledge about Galactus. To stop Krona, the Grandmaster uses the assembled artifacts to merge the DC and Marvel universes into one.

The newly merged universe soon begins to destabilize as the heroes realize their world isn’t real. Both the Justice League and the Avengerslaunch a final assault on Krona to restore their realities, only to discover that he has repurposed Galactus' remains as his fortress.The ensuing battle is one of the most epic in comic book history, with Krona summoning villains from both universes to fight the combined might of the Justice League and the Avengers. Adding to the chaos, chronal fluctuations ripple through the conflict, causing different versions of the teams and their rosters to flicker in and out of existence.

Galactus was originally a space explorer from theplanet Taa named Galan. When his universe ended, Galan merged with the Sentience of the Universe and became Galactus in the new universe following the Big Bang.

The Justice League and Avengers Fight On the Remains of Galactus

A DC/Marvel Crossover Gave Their Heroes Their Most Brutal Battlefield to Date

With an unmatched lineup of heroes and villains, the battle between the unitedJustice League/Avengersagainst Krona’s legion—comprising every foe the teams have ever faced—stands as one of the most spectacular clashes in comic history and has gone down as a fan-favorite crossover for both Marvel and DC fans. Time distortions bring forth multiple incarnations of each team, including long-retired legends and out-of-continuity favorites. In the end, theJustice LeagueandAvengerstriumph, splitting their universes once more and vanquishing Krona, while restoringGalactusto his cosmic, world-devouring might.