The Joker, believing he is terminally ill, orchestrates a massive breakout from the Slab penitentiary, unleashing a wave of chaos by “jokerizing” fellow supervillains with his venom to spread madness across the DC Universe.
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Guide-style dossier sets the stage and profiles key players in the crossover.
Learning he is dying, the Joker sparks a riot in the Slab and unleashes jokerized villains.
The teen heroes battle a swarm of “jokerized” villains while trying to keep their cool.
Joker venom on Apokolips forces Orion to face manic chaos among the New Gods.
The riot spreads worldwide as Batman races to contain the first wave of mayhem.
Azrael hunts a jokerized assassin through Gotham's darkest corners.
A newly jokerized Doomsday storms Washington, forcing Superman into a brutal showdown.
Batman faces a lethal jokerized tech-swarm targeting Wayne Enterprises.
Oracle fights to free Black Canary after the Joker turns her prison into a madhouse.
Nightwing fends off escapees in the Slab while battling doubts about his former mentor.
Impulse and Max race to out-run a time-bomb of jokerized Speed Force energy.
The Joker escalates his master plan as the JLA discovers worldwide jokerization hotspots.
A Joker-venom outbreak forces Cassandra to stalk an invisible killer through a blacked-out Gotham.
Kon-El battles a rampaging creeper while civilians reel from mass “Jokerization.”
Sasha Bordeaux ignores Batman's orders and finds herself face-to-face with Jokerized assassins.
Young recruits prove their worth in the face of sudden peril.
Harley's latest scheme unravels when the Joker's plague turns allies and enemies equally unpredictable.
Hal Jordan's Spectre confronts the morality of laughter as Joker venom twists souls worldwide.
Lex Luthor's White House sing-along takes a lethal turn when Hope and Mercy go Joker-mad.
The Joker ignites a burning breakout inside the Slab as Gotham's night sky turns toxic-green.
Wally West races to save Keystone when a Jokerized paparazzo turns the city into his deadly set.
Freezing villains strike Metropolis steelworks, forcing Superman into a blizzard of Jokerized chaos.
Linda Danvers discovers that Joker toxins warp even angelic powers as friends vanish from Leesburg.
Kyle's ring can't rewrite the punchlines when an Eastern-European nightmare hits New York's comedy circuit.
Diana and Circe unite against a legion of Jokerized monsters overrunning Themyscira and New York.
The Clown Prince's scheme explodes—literally—as heroes race to defuse planet-wide laughing bombs.
Tim Drake dives into Gotham's catacombs to stop a cult writing its gospel in Jokerized blood.
With Queen Bee controlling the Watchtower, the League must fight a two-front war against space and insanity.
Batman tracks Deadshot through a Gotham ablaze with Joker-fueled mob violence.
Superman and Green Lantern swap quips while deadly acid rain written in Joker-venom letters pounds Earth.
The Titans confront a laughing tidal wave that threatens to drown New York's harbor in chaos.
Oracle gambles everything to flip the ultimate joke back on the Joker and save the Multiverse.