Before the so-called “SnyderVerse” was derailed back in 2017 after Zack Snyder’s exit from Justice League, Ben Affleck was meant to star in, direct, and write a solo Batman movie featuring Deathstroke as the main villain.
With the restoration of Zack Snyder’s Justice League, and Affleck confirmed to return to the DCEU as Batman for a brief cameo in the upcoming solo Flash movie, fans can once again hope to see the actor’s Batman movie someday featuring the Dark Knight facing off against Deathstroke.
By the time it ends, Zack Snyder’s Justice League has featured a host of supervillains in brief cameos, that were originally meant to set up future spinoff movies.
“You could kind of like infer from the proper Justice League end credit scene.