Board Thread:The Flash discussions/@comment-9346948-20161019001452/@comment-3221148-20161020213345

Magenta was similar to Jean/Phoenix.

Xandermcc wrote: I don't think that is how it works. I always thought that Barry and his friends don't exist in Kara's world. Supergirl just has the adventures of characters in the Superman-mythos and Martian-mythos. Yeah, Barry said there was no Cisco Ramon or Caitlin Snow there either.

Then again, seeing how Henry Allen ended up Jay Garrick on Earth Three, Supes-Earth Barry might be something like "Johny Garrick" or whatever, and Cisco is... Paco Ramone?

One way or another, the characters exist as long as the plot needs them.