Board Thread:New on Arrowverse Wiki/@comment-807326-20160206040643/@comment-4324417-20160207085321

TheDoctor230 wrote: barry is going to appear on supergirl in ep 18 which means it wouldnt be a multiverse thing and so supergirl should be added to the arrowverse wiki because they are in the same universe.

Also now that supergirl is in the arrowverse, this means that superman is too What are you talking about? Barry will be travelling through dimensions to get to be on an episode of Supergirl.