Quote Originally Posted by Yoda View Post
One thing that the Arrowverse Multiverse hasn't really done (outside of Crisis on Earth X and Flash) is the multiple versions of the various characters. It's mainly been used to sequester the various shows in their own little pockets. Flash is really the only show that stands to lose anything from the merger storytelling wise.
Even then a merged Earth could probably bring over some of what they'd lose, such as making Shipp's Jay Garrick a member of the Earth-1 JSA (although how they'd explain away season 2 in the new timeline would be interesting).