For those who think that he is dead and will not come back, we get it, you truly believe that Mr. Martin wasted his and our time with this character for 5 books only to be murdered in the most cowardly way by his own order. Makes perfect sense.
So anyway, I wrote this in a post on another thread but I wanted to put here anew.
I have put this together via the AA prophecy, Jon's dream in ADwD where he is standing atop the Wall with black armor covered in ice and a flaming sword (don't have my book with me right now, or I'd be more specific) and my own personal wishes for the story. Forgive me.
I believe that he is dead and his soul will warg Ghost for some time. (It would be awesome if GRRM gave us a POV or 2 from this angle) Meanwhile, Mel from her fire-visions will see that she will have to bring Jon back to life via some freaky R'hllor ceremony where she has to burn his body, with his sword, Longclaw, in a pyre instead of the kiss that Thoros uses. (Perhaps it will take her 3 tries, in accordance with the original AA)
Jon will comback as a hybrid version of himself and Ghost, his normal body with a few changes from Ghost (white hair; Targ feature for the R+L = J factor and ice; red eyes, fire), he will then pull his burning sword from the fire and plunge it into the heart of Mel, thus fulfilling the prophecy of AA. And will now be ready to kick some ass against The Others.
(The stone dragon part will come later when he is in the crypts of Winterfell and re-emerges from them with the truth of his parents; haven't quite worked this one out yet but that's what I'm leaning towards, not an actual stone dragon).
Anyway that's my hope for his character or something along those lines.
Edited by Stubby, 08 December 2012 - 06:40 PM.