Board Thread:New on Arrowverse Wiki/@comment-807326-20160206040643/@comment-9346948-20160313192733

SeanWheeler wrote: This was why I was hoping for Supergirl to be on the same Earth. This multiverse thing makes things complicated for us regarding crossovers. But I still think we should merge after the crossover happens. It would've been nearly impossible to retcon, considering Barry's main goal in life was getting the world to believe in the impossible. On Supergirl, it was said Superman has been operating for 10 years.