DC K.O. is a 2025-2026 event written by Joshua Williamson and Scott Snyder with art by Javi Fernandez and Alejandro Sánchez. This event takes place during the All In saga and involves a fighting tournament between the Justice League Unlimited members, with the winner chosen as the King Omega– an Omega Energy-powered champion capable of defeating Darkseid and averting his dominion over reality.
History
Prelude
TBA
Issues
Countdown
- Justice League: Dark Tomorrow Special #1
- Justice League Unlimited (Volume 2) #10-11
- Superman (Volume 6) #28-30
- Titans (Volume 4) #27
Prologue
Core Issues
Tie-ins
- Aquaman (Volume 9) #11-13
- DC K.O.: Boss Battle #1
- DC K.O.: Green Lantern Galactic Slam #1
- DC K.O.: Harley Quinn vs. Zatanna #1
- DC K.O.: Knightfight #1-4
- DC K.O.: Red Hood vs. the Joker #1
- DC K.O.: Superman vs. Captain Atom #1
- DC K.O.: The Kids Are All Fight Special #1
- DC K.O.: Wonder Woman vs. Lobo #1
- The Flash (Volume 6) #26-30
- Justice League Unlimited (Volume 2) #12-16
- Superman (Volume 6) #31-35
- Titans (Volume 4) #28-32
Aftermath
- Aquaman (Volume 9) #15
- The Flash (Volume 6) #31
- Justice League Unlimited (Volume 2) #17
- Superman (Volume 6) #36
- Titans (Volume 4) #33
Trivia
- Despite the tournament setting of this event, "K.O." does not stand for "knock-out", but for "King Omega".
Recommended Reading
- Justice League Unlimited (Volume 2)
- We Are Yesterday
- Superman: Legion of Darkseid (Superman (Volume 6) #28–30)
Links and References