According to THR, Snyder is not jumping into Justice League 2 as his next project as originally planned. Instead, he’ll be working on his long-in-development thriller The Last Photograph. THR says that Warner Bros. has put Justice League 2 on the backburner and turned its attention to Ben Affleck’s Batman movie:
So.. This put back + the Twitter Trolling this week, may result in a complete re-shuffle:
June 2019: Justice League 2 The Batman Nov 2019: Unannounced Cyborg April 2020: Cyborg Green Lantern July 2020: Green Lantern (Unconfirmed) Justice League 2
Guess we will have to wait for confirmed date changes.