User blog comment:Aphrodite Sweetheart/Official Winx Club WOW and 4th movie discussion blog/@comment-5875378-20161230221903/@comment-29197449-20161230223504

Fall 2017 seems like a nice guess. WoW's second season is probably gonna premiere early 2017 (maybe March at the latest) and they'll have plenty of time to focus on the Bloomix movie after that.