He was the last character added into the game, so it makes sense.
Wolf was an underwhelming choice for a last character imo, but I've grown to accept him more over time. I think the game could easily do without him though, he is one of the easier cuts since he doesn't bring much unique to the table, and he's generally viewed as the less popular semi-clone of Fox.
Does that mean I want him cut? No, not at all. I think he's earned his right to be in, he's definitely a Nintendo All-Star for sure. But if he returns I still think he needs an overhaul to differ his specials more from Fox's. Sure they function differently, but they're really just the same concepts, I'd like him way more if he brought something a lot more interesting to the table other than being an alternate Fox, which we already have Falco for. His A moves are fine, I'm just not so happy about his specials, not to mention his Final Smash ofc.