Arrowverse Stars Preview Crossover's 'Very Emotional' Journey of Love and Loss, Evil Doppelgängers and More

So on which side of the church do the Earth-X Nazis sit? The CW’s annual Arrowverse crossover kicks off with the wedding of The Flash lovebirds Barry Allen and Iris West on Monday’s Supergirl -- but it’s not long before the happy occasion is rudely interrupted by Earth-X Nazis and evil doppelgängers Dark Arrow, Dark Flash and Overgirl. The ensuing battle […]