So with all these other fully established entities announced, it’s unlikely Gotham will bypass a big Joker introduction, even if Monaghan can’t talk about it yet.
Plus, that’ll be the episode where Bruce Wayne’s Batman will finally come to life in this universe.
As it has previously been revealed, Gotham’s series finale will take place ten years in the future, where we’ll get to see the much more comic-friendly versions of characters like Penguin and Riddler.