I like Wolverine a lot, but I've never actually followed the storyline. I came up with this fan fiction. I don't know if it has already been done but I did it anyway. I imagined Wolverine losing his healing powers. His claws slice his skin open every time he extends them. He used to heal instantly, now he heals overnight. He is also aging gradually. He still has his feral attitude but he has to control himself to keep himself from dying.
Done in Photoshop from scratch.