The Flash (Earth 90)

Connection To The Arrowverse
This Barry Allen appeared in the Elseworlds and Crisis On Infinite Earths crossover. He showed up in Elseworlds to help the Heroes stop Dr. Destiny and Mar Novu from changing reality and testing Earths for the soon to be Crisis. In CW's The Flash, during the Crisis on Infinite Earths, he died on the Cosmic Treadmill which was not shown in the Crisis On Earth 1 Game.