Donald Draper wrote:
Remember when First Class came out the question everyone had was if it was going to reboot the whole series. That is still a possibility. We could see the older actors play the X-men in the dark future and/or also in changed future which looks more hopeful at the end. But in fixing the past the whole history of the could be rewritten.
. That could actually be it! If not a complete
ignoring of The Last Stand
, at most a mere passing mentioning, and then a total retconning/undoing. I like it.