Robin was once set to be part of Batman '89, and here was his planned role in the story and the actor cast in the role. Given the success of the MCU and DCEU universes, it's almost easy to forget the impact Tim Burton's Batman '89 had on comic book movie adaptations. The rich, gothic atmosphere of the film combined with the iconic turns by Michael Keaton in the titular role and Jack Nicholson as Joker made the movie a major success and proved to studios there was gold to mined from adapting comics.
Of course, it was still many years before filmmakers like Sam Raimi and Christopher Nolan cracked the comic book movie code further with the likes of Spider-Man or Batman Begins. That said, Batman '89 represents a landmark for both the genre and the character, with many still considering Keaton — who will return as Batman for The Flash — the defining live-action take on the Caped Crusader. The movie's success also allowed Burton to convince the studio to give him creative freedom on sequel Batman Returns, which is arguably the most unique comic book movie ever. The movie's twisted, fairytale tone and darkness have seen it age incredibly well, but it wasn't exactly family-friendly, leading to Burton being replaced with Joel Schumacher for Batman Forever.
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Batman Forever finally introduced Robin to the series, after the character was written out of Burton's previous movies. Famously, Marlon Wayans was cast and even attended costume fittings for Batman Returns' planned take on Robin, who was a teenage mechanic that would aid the titular hero in the finale. A lesser-known fact is that the sidekick was set to be introduced in Batman '89, where the Dick
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