Justice League Action (2016)

S1E52 She Wore Red Velvet

As Booster and the Justice League face an onslaught from a formidable new foe called Red Velvet, Booster has a shocking revelation: she is the fiancée he abandoned at the altar in the future. This unexpected twist complicates their battle, as he must confront both the threat she poses and the unresolved emotions from their past.