The Arrowverse's "Crisis on Infinite Earths" will include an important character from the comic story. 1 / 8
According to series lead, Grant Gustin, The Monitor shows up in Season 6's first episode. 2 / 8
He says in order to save the universe, Barry will have to die. 3 / 8
In the comic storyline, The Anti-Monitor sought to eradicate all life in the universe. 4 / 8
The heroes succeeded, but Barry died in the process. Wally West became the Flash afterward. 5 / 8
He said Barry doesn't know about the deal Oliver Queen made with the Monitor... 6 / 8
... adding, "so someone’s gonna die.” 7 / 8
The Flash returns on Tuesday, October 8 at 8 pm on The CW. 8 / 8