Fan Casting ''Wanted: Unknown Arsonist'' in Batman And The Bluebird: Clown Prince of Crime

In the mid-credits scene for the film, after Bruce and Harper get back to Wayne Manor, we see the currently pregnant Selina Kyle handing her husband a newspaper saying, ''Looks like we know where the twin is now.'' referring to Jerome Valeska's twin brother, Jeremiah, who went missing months earlier. Upon reading the newspaper, Bruce learns about the recent appearance of a young man about Jerome's age wearing a fedora and trenchcoat that has been suspected of being an arsonist in Gotham City. After finishing the paper, Bruce places his face in his hand, hoping that there won't be another Joker to haunt his nightmares...