The Arrowverse crossover has become a tradition, as with 2017’s “Crisis on Earth-X” and 2016’s “Invasion!” But now that Season 6 of Arrow has come to an end, we can’t help but wonder where next year’s crossover between that show, The Flash, Supergirl and Legends of Tomorrow will take us.

Source: IGN.com 12 Arrowverse Crossovers That Need to Happen