THE UNDERCARD FIGHTS OF DC K.O. COLLECTED IN ONE UNFORGETTABLE VOLUME! Epic battles span the DC Universe (and more) in the unforgettable undercards to the DC K.O. tournament, starting with the Time Trapper enlisting the Justice League in the war against Darkseid!
Plus, the Dark Knight battles different Batmen from his own future, Jon Kent trains a new generation of superheroes under extreme circumstances, and fighters from the farthest reaches of the DC Universe and beyond are drawn into the fray! Collecting Justice League: The Omega Act Special #1, DC K.O. Knightfight #1-4, DC K.O.: The Kids Are All Fight Special #1, DC K.O.: Green Lantern Galactic Slam #1, and DC K.O.: Boss Battle #1.