I’m So Sad That 1 Batman Villain Who Is Truly Perfect For Christian Bale’s Batman Only Appears In The Dark Knight’s Secret Fourth Movie

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While the Christopher Nolan trilogy highlighted some of the best iterations of Batman villains, one key character only appeared in Batman: Gotham Knight, a special animated anthology film set in the same universe. The film, which was released in 2008, is set between the events of Batman Begins and The Dark Knight, and while it had different writers, directors, and even Kevin Conroy taking over the role of Bruce Wayne, the film is intended as part of that same set of stories, though they feel slightly disconnected.
Ben Gibbons

https://screenrant.com/batman-villain-the-dark-knight-christian-bale-deadshot-gotham-knight-fourth-movie-op-ed/