If you are talking about the superhero, then Wolverine would win. He has MASSIVE CLAWS, probably 3-5 times more than a lion's! But if you are talking about the animal, the ninja wins. It has A LOT of weapons.
ninja assasin would slit his throat and sh1t down his throat to stop it instantally regenerating
Wolverine would win, unless you are Wolverine. Then he'd still win. If talking about the animal, you would win.
Wolverine can heal himself so Wolverine would win.
Wolverine
wolverine
Wolverine.
wolverine
Wolverine, he can regenerate!
wolverine would devour foxes.
Wolverine would win because he has an healing factor. He never stops fighting.
Wolverine wins.
wolverine because after a few seconds he would heal