DC Comics has announced the newest event in its All In line: DC K.O., a battle royale-style tournament in which 36 superheroes will compete in a five-level tournament to determine which of them will have the final battle with Darkseid.  The battles take place in an arena that rises out of the earth, and each level has a new series of challenges for the competitors.  The goal is to generate enough Omega Energy to crown a new King Omega and overcome Darkseid in the final battle.  The event will center on Superman. "I wanted to tell a story about Superman looking into his own heart of darkness," Snyder said in a statement accompanying the announcement.  "It’s a very personal story wrapped in nine layers of candy exploding in your face."

The event will be anchored by DC K.O., a five-issue limited series by Snyder and artist Javi Fernández.  It will kick off with Justice League: The Omega Act #1, an oversize prequel by Williamson and artist Yasmine Putri in which the Justice League pursues a Time Trapper in order to rewrite the future.  The 48-page one-shot will be released on October 1, 2025, with a main cover by Jorge Fornés and variants by Kyuyong Eom, Fernando Blanco, and Salvador Larroca and a 1:25 variant by Don Aguillo.

The 48-page DC K.O. #1 will release on October 9 with a main cover by Fernández that will have a special acetate overlay, as well as variants by Jim Lee, Daniel Warren Johnson, Frank Cho, Scott Koblish, Jae Lee, and Mike Del Mundo, a Face-off variant by Ben Oliver, a 1:25 variant by NOOBOVICH, a bracket variant and AEW Cameo variant by Dan Mora, a Darkseid variant by Mark Spears, and a foil variant by Fernández.

Tie-in issues will include Titans #28, Superman #31, The Flash #26, and Justice League Unlimited #12.

Click Gallery below for covers!