Warner Bros. Japan and Wit Studio have released the first trailer for “Suicide Squad Isekai,” an upcoming anime series revealed during Anime Expo 2023. What it's about: The trailer prominently features anime-inspired versions of beloved DC characters, such as Harley Quinn and the Joker. Within DC Comics, the Suicide Squad is a government black ops task force composed of various villains who go on extremely dangerous missions in exchange for time taken off their sentences.