User blog comment:ADour/The West Coast Ultimates revealed!/@comment-3048593-20130127195215/@comment-4651179-20130128215541

But the hand was later retrieved by Kitty Pryde... as a way to tell people "no, he won't be back".

And, in the words of Kitty Pryde: "I saw some files. S.H.I.E.L.D.. already tried (to clone him), those jerks. Whatever Magneto did to him-- it killed all his cells. Logan's gone, Jean."