About Justice League The Justice League screenplay is by Chris Terrio, story by Chris Terrio & Zack Snyder, based on characters from DC, Superman created by Jerry Siegel and Joe Shuster. The film’s producers are Charles Roven, Deborah Snyder, with executive producers Christopher Nolan, Emma Thomas, Jim Rowe, Ben Affleck, Wesley Coller, Curtis Kanemoto, and Chris Terrio
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