Bruce Wayne's fight with Deathstroke in Ben Affleck's unmade Batman movie challenged him even more than his Batman v Superman: Dawn of Justice conflict with the Man of Steel. Story details about Affleck's Batman movie have painted a fairly clear picture of what Affleck had intended for the film prior to his departure. His conflict with Slade Wilson a.k.a. Deathstroke (Joe Manganiello) in the film is set up at the end of Zack Snyder's Justice League, and it was to have greatly tested him.
As revealed by Manganiello, the story of Affleck's Batman film was similar to that of The Game, with Slade out to wreak havoc on Bruce Wayne's life, Slade having what he describes as a "personal" vendetta with Bruce at the end of the Snyder Cut. Though Batman had previously defeated the Man of Steel (Henry Cavill) in Batman v Superman, Slade's methods and skills would push him to an even more trying brink.
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Though Batman and Superman each view the other with distrust for most of the film, Superman was not out to either kill or psychologically torture Batman, and by the time of their actual fight was seeking to reason with him to save his kidnapped mother. Additionally, though Superman had an obviously tremendous power advantage, Batman was able to use Kryptonite gas to weaken him to human-level strength. While Superman still put up a very strong fight, Batman, as a highly seasoned martial artist, was ultimately the more skilled fighter of the two. Batman's showdown with Slade, however, was another story.
Unlike Superman, Slade had every intention of not only murdering Batman, but making him mentally suffer as much as possible first. Deathstroke was also a
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