Rumour circulating fast and furious at the moment that Andy Muschetti's'( It, It Chapter 2) The Flash 2022 is to feature a whole colony of previous Batman Stars.
The storyline is said to be based on Flash Point by Geoff Johns and Andy Kubert in which The Flash - Barry Allen wakes up to find that everyone and everything around him has changed. His mother is alive, Captain Cold is Central City's greatest hero and the Justice league was never established and even Superman is missing.
In this timeline Thomas Wayne - Bruce Wayne's father is Batman as Bruce was killed in the alley that fateful night by Joe Chill and Martha Wayne went insane and went on to become the Joker. Wonder Women's Amazons & Aquaman's Atlanteans are at war. As if this time travelling fan storyline favourite isn't enough...
Rumoured to be joining the cast of Flash 2022 are George Clooney, Val Kilmer and possibly even Christian Bale who have all donned the pat suit in previous movies along with a certain Nicholas Cage heavily rumoured to finally get to play Superman!!!