Fans went wild - and understandably so - when it was announced following last fall's "Elseworlds" crossover that the next major Arrowverse event would be an adaptation of "Crisis On Infinite Earths," which is without a doubt the biggest DC Comics event ever. It addition to all the multiversal mayhem, it also promises that there'll be some major changes made to the status quo, as the comic book event saw the deaths of some iconic heroes.