Every year since The Flash as premiered on The CW they have done a crossover event with Arrow and The Flash. This event is now not only going to be two nights, but a total of four nights starting on Monday night with Supergirl. This event looks bigger and better than the past events but we’ll see when the final product comes out. Take a look at the newest promo for the event below and make sure to tell us what you think.
Photo Credit: Michael Courtney/The CW and Dean Buscher/The CW