Continuing on from an earlier report from the Wall Street Journal, Hollywood Reporter has now confirmed that the 2 films will be filmed back to back.
Yes, Zack Snyder will direct Justice League. Yes it will shoot back to back. Likely release date: 2017. Likely announcement: Comic Con.
— Borys Kit (@Borys_Kit) April 28, 2014
@CoolwhipSpecial Back to back: confirmed. Release date: no comment from Warners but my sources say watch for it.
— Borys Kit (@Borys_Kit) April 28, 2014
A release date has not been set, but sources say it could bow in 2017, a year after Superman vs. Batman, which is set to hit theaters May 6, 2016. The movies will be shot back-to-back. Warner Bros. declined comment on release plans.
Source:
Streaming Options