Death of X is not the first time that Slim was food for worms, in 1999 he was possesed by Apocalypse and then killed with him during the "The Twelve" storyline, long story short the X-Men, Jean in particular were able to bring him back and separate his mind from him.
Well, might as well stick that on the ol' reading list.
Cyclops was SO DAMN RIGHT, BABY
Pull list: X-23, Mr. & Mrs. X, Extermination, Spider-Gwen: Ghost Spider, Uncanny X-Men
Have been informed that the Black Swans are "only seeking female members, but thank you very much for your time"