The Flash has been in production for years but it has been hostage because of Circumstances like recastings and controversies. Irish West who is The Flash’s love interest was originally going to be played by another actress but it ended with Kiersey Clemons. It will also be the final movie where we will see Ben Affleck as Batman. Michael Keaton‘s Batman will also be in the film.
At the end of Flash Season 02, John Wesley Shipp was both killed, and reborn. As his role as Henry Allen, father of Barry Allen, was killed. But, he was revealed to be the one true Jay Garrick, aka Flash of Earth-3. Since then, he has returned multiple times as Jay Garrick, including in tonights midseason finale of Flash.