Source: Superman/Batman Apocalypse DVD
(Warner Bros preview/promotional clip)
Director : Lauren Montgomery
Original Story Writer: Jeph Loeb
Screenplay Writer : Tab Murphy
Date of Release: September 2010
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After the arc "The Twelve" Cyclops is lost out in the world with Apocalypse's consciousness inside his mind, fighting for control. He spends weeks/months alone, but is eventually saved by Jean and Cable, but not without lasting damage being done. Apocalypse's influence left Cyclops more... Realistic, and more honest, in a way.
Fearing that Jean wouldn't like the "new him" Cyclops withdrew from her, and Jean's either inability or unwillingness to confront the issue led to them growing apart.
When Genosha is wiped out, with millions of mutants wiped out, Emma Frost comes to live at the school.
Over the course of the run, Cyclops begins getting therapy from Emma Frost. She falls for him, and the two begin a "psychic" affair (though it should be noted that at around the same time, Jean (who was beginning to manifest the Phoenix again) made a move on Logan only to be rebuffed).
Jean finds out about Scott and Emma, flips stuff, and Cyclops is made to choose between both women. Before he can reveal his choice, Magneto attacks New York (I think it was New York), and the X-Men battle him. Jean is killed. At her funeral, Emma tells Scott that they need to rebuild. Scott says no, and quits the X-Men.
In the future, a bunch of stuff basically culminated in the world going to hell, all because Cyclops didn't stay with the X-Men. So White Crown Phoenix Jean changes history, and at the grave, where Cyclops had told Emma he quit, he is instead mentally "nudged" in to staying with the X-Men, and of course, staying with Emma.
That's as brief as I could make it, and tbh, I left a lot out. I really do recommend the series though. It's excellent.
I didn't actually use personal messaging to make this particular request of him, though. I only do that when I feel there is something reasonably important to ask him that doesn't strike me as quite appropriate to ask by standard public means owing to his position, etcetera. I figured the route I chose here would be the least intrusive that still actually got me the specific information I was looking for.
At any rate, P.R. WAS kind enough to answer and DID turn out to be the right person to ask, so, thanks for the advice!
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Source 1: Uncanny X-Men #218, Volume 1
Writer: Chris Claremont
Penciller: Marc Silvestri
Date: June 1987
------------------------------------------------------------------------------------ http://marvel.wikia.com/Uncanny_X-Men_Vol_1_218
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Source 2: Unlimited Access #1, Volume 1
Writer: Karl Kesel
Penciller: Pat Oliffe
Date: December 1997
------------------------------------------------------------------------------------ http://marvel.wikia.com/Unlimited_Access_Vol_1_1
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Storyline: "For Tomorrow."
Source: Superman #211, Volume 2
Writer: Brian Azzarello
Penciller: Jim Lee
Date: January 2005
----------------------------------------------------------------------------------- http://dc.wikia.com/wiki/Superman_Vol_2_211
Better context of this encounter can be found by clicking the following link: