Knockout was originally a member of the Female Furies before being inspired by Big Barda and Mister Miracle escaping Apokolips and deciding to leave as well.

[11][12][13] Following her resurrection and a period of mental recovery, she rejoins the Secret Six and accompanies the team on a mission to Gotham to kill several of Batman's allies.

Knockout accepts the proposal just prior to the team being ambushed by a number of superheroes who come to assist Batman, resulting in a massive battle.

[15] During the next Secret Six series set in the New 52, both Scandal and Knockout are shown to be perfectly healthy and living in freedom instead of prison, and are still happily together with Liana.

5), following DC's Infinite Frontier relaunch, Knockout appears as one of several supervillains gathered by Clayface to help Catwoman defend her neighborhood from Gotham City's new fascistic mayor and paramilitaristic enforcement militia.