avclub-6b0e5855cf007ac7e17e244644088717--disqus
citizen snips
avclub-6b0e5855cf007ac7e17e244644088717--disqus

Unfortunately it's part of the main 616 universe.

There is no such thing as the brief history of ANY reality X-Men. Trying to do that kind of write-up would drive a sane person mad. That being said, this admirably does it.