Justice League Rotten Tomatoes score delayed until opening day https://t.co/YfBWPXFOCh— Entertainment Weekly (@EW) November 14, 2017
Rotten Tomatoes will reveal the current percentage for the movie on 12:01 AM PST this Thursday
Warner Bros. owns a minority stake in the site
Also EW points out the lack of press blitz. Almost no interviews by cast or members of the creative team.