Super Smash Brothers Ultimate - A new rumor

>a random user on Japanese 4chan
>says he leaked joker on December 10th, 3 days after joker was actually announced
I, too, believe everything I hear on the internet.
I'll also look like a dumbass if this ends up being true, but either way these leakers shouldn't be getting attention whether they're real or fake

Just what we need: Another dude with a sword