Justice League, chapter one.. has a screenplay by Chris Terrio... Justice League: chapter one is directed by George Miller and Zack Snyder...

Justice League: chapter two.. has a screenplay by Scott Snyder.. and maybe some additional writing by Chris Terrio.. the director of Justice League: chapter two is.. Martin Scorcese... and Zack Snyder...

.. Chris Terrio would like to return as the Justice League movie screenwriter.. for "Justice League: chapter three".. to write a screenplay for that movie to be directed by Oliver Stone...