Trapped in the past (rewrite)

After Melisandre tries to bring Jon Snow back to life, she succeed, but he doesn't wake up, she somehow sent his mind six years into the past, where it was the beginning of the downfall of house Stark, while Jon wakes up and remembers everything, Sansa arrives to the Wall with Brienne and Podrick, only to find out that his last remaining sibling, was killed by his own men, while someone manage to bring him back, he does't wake up and she is very angry, she decides to bring justice for his brother and hung all the mutineers herself.

I am going to make this story like X men days of future past, Jon snow body is unconscious in the future, like wolverine in days of future past, but his mind is in his younger body six years in the past, and just like in the movies, everything he changes will affect the future, imagen the war of the five kings and the white walkers are the future of the centinels.

First POV is in the past, the second is the future

I don't own anything, everything belongs to George R R Martin.