According to the director, such conversations were conducted for a short time, and in the end the idea was abandoned. One of the reasons was that the audience probably wanted to see the duet of Bruce Wayne and Clark Kent on the screen, while Nolan got the mantle of the hero in the ending of the story.
Snyder noted that it could be an interesting option, even taking into account all the conditions, but later they decided to make the Superman plot standalone.
In addition, the director said that when Ben Affleck doubted about the role of Batman, one of the alternative options for the director was the Belgian actor Matthias Schonarts… He did not try on a suit, but Snyder discussed this possibility a lot with him.
The actor himself later stated that he was too young for the desired image from Batman v Superman…
Matthias Schonarts
Finally, Snyder himself added that he still wants to create a film adaptation. “The Dark Knight Rises” according to Frank Miller, which would be completely faithful to the original source.
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