CW and DC TV Crisis On Earth X Parts 1 and 2 Spoilers follow.
In addition to the shocking identity of Earth X’s Reverse Flash and the reason why the “heroes” of Earth X have attacked Earth 1, we also have one more big surprise.
Namely, The Surprising Identity Of Earth X’s Prometheus In Supergirl and Arrow.
Earth X has a Prometheus.
He is Earth X’s Tommy Merlyn.
He killed himself instead of staying a prisoner of the CW Arrowverse.
The main CW Arrowverse’s Tommy Merlyn died at the end of Season 1 of Arrow.
Part 3 and 4 of Crisis on Earth X airs tonight on CW’s The Flash followed by DC’s Legends of Tomorrow.