User blog comment:Rassilon of Old/Building the DC Cinematic Universe, Part II/@comment-34954086-20120730103212/@comment-1635895-20120730104458

Yep, get Greg on it!

Beall is writing the script, but scripts for Justice League have been written before, followed by Warner pulling out for whatever reason. Last time it was because of a writers strike, and the script needed revising.