Batman Beyond: Return of the Joker

It is the middle of the 21st century, 20 years since Batman was publicly last seen in Gotham City.#cite_note-9) The metropolitan area's research and development lab, named Air & Space, is taken over by a gang of self-described "Jokerz", which Terry McGinnis, the new Batman replacing the retired Bruce Wayne, is alerted to via an emergency signal.#cite_note-10) Batman gets to the lab and finds Benjamin Knox and one of the Jokerz; Benjamin instructs the gang member to handle the console while he fights Batman.#cite_note-11) The member screws it up, and all of the gang members leave with only the memory board.#cite_note-12) Terry reveals this is the third time a stealing of high-tech equipment has occurred, making Bruce suspect a group named the Jokerz are responsible.#cite_note-13) It is then revealed the Joker has been revived and is leading the group.