In X-Men Forever nothing published after Claremont's departure in 1991 is cannon anymore.

And certainly not Origins.

I'm pretty sure Marvel has established Napoleon was Logan, but he didn't realize who he was due to some brain-jumbling by one of his many arch enemies.

Okay, I just made that up, but I'm sure it will come up sometime.

I remember an interview with JB back in the late 70s (Comics Journal, maybe?) where he (and maybe CC) had imagined a scene where Capt. America meets up with the X-Men, and Wolverine is kinda hanging back so as not to be noticed. CA sees Wolverine and says "Corporal Logan?!?", and it comes out they had fought together in WWII.

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Yeah, I remember that. Looks like Chris gave him a promotion.

Found the interview, in Comics Journal #57 (Summer Special 1980):

"Most of the fans I've talked to--and most of the mail has agreed--say that they like picking up the facts in dribs and drabs. One of these days, Roger and I have a Captain America story we'd like to do, guest-starring the X-Men, where Cap will be talking ot a couple of them, and Wolverine is real quiet at first. And when he finally speaks, Cap will do a take and say, "Corporal Logan?" Because, you see, Cap met him during the war. Ant that might be the first time in one of the books we come out and say just how old this guy is.
"Unless we change our minds."

Just typing that out I get excited about what might have happened: Cap and the X-Men! By Stern & Byrne! Uncovering hints! Man, those were the days!

I consider anything that shows up like this (such as when it was referenced in Uncanny X-Men #268) is CC not letting any idea NOT get incorporated into a story, even when it's from a conversation from decades ago.