Arkhamverse Batman, who was previously executed by Harley Quinn in a hugely controversial plot turn, shows up in the finale of Suicide Squad: Kill the Justice League.

In a final cutscene (rendered in static 2d images and narrated by Harley Quinn), its revealed that the Justice League members that the Suicide Squad had been fighting were clones the entire time.

Written and directed by James Gunn, "The Suicide Squad" features Harley Quinn (Margot Robbie ... reprise their roles in the 2021 film, but other actors, like Jared Leto and Will Smith, do not.

In exchange for lighter sentences, just like the anti-hero team in Suicide Squad (2016), a new batch ... her ragtag band of super-powered convicts--Harley Quinn, Bloodsport, Peacemaker, King ...