The DC animated fan universe is wear DCAU fan made stuff has its own timeline a alternate timeline to the Dcau like the upcoming audio drama Batman immortal and the webcomic legacies of the Dcau and other Dcau fan made stuff the first Dcau fan made stuff was Batman immortal that was originally supposed to be a fan film then changed to a fan made audio drama and the second Dcau fan made stuff was the webcomic legacies of the Dcau that was released on November 2015 then it had more issues and then years later we got more and more Dcau fan made stuff