The Batman: Part II is still a few years away, but many fans are already wondering which member of Batman's iconic rogues' gallery will appear as the movie's central villain. Some are concerned that the Joker will be used in another movie, while others hope for more esoteric choices in antagonists. Given all the enemies that the hero has faced in his long-running history, there are several choices, with one obscure character possibly being perfect.
Source:https://www.cbr.com/matt-reeves-the-batman-doctor-death-perfect/