The star of CW’s long-running The Flash series plays super speedster Barry Allen, who crossed over with Ezra Miller’s Barry Allen when the Arrowverse met the DC Extended Universe in Part Four of television’s Crisis on Infinite Earths event.
I said, ‘You know what? I’ll give you a couple of weeks off easy now.’ I don’t know if they’ll do that, but I’m putting it out there.
“So I don’t know how possible it is, but I do know it’s not impossible because we proved it in Crisis when we saw the two Flashes together,” added Wallace.