[6] [SPOILER WARNING] Part-way through production on 2017’s theatrical version of Justice League, director Zack Snyder suffered a tragic loss in his family and had to step away from the production. Joss Whedon (The Avengers) was then called in to finish the film and oversee re-shoots (Snyder retained sole directing credit). I suspect the studio also wanted Whedon to tighten up the pacing and bring …