Quick Overview Joker steals the show when he joins the Super Smash Bros.â„¢ Ultimate game as a playable fighter! This speedy fighter wields a knife and a gun to rack up damage. When his Rebellion Gauge is full, Joker summons his Persona, Arsene, to immediately power up his attacks for a limited time. This pack also includes Mementos, a stage that changes colors, depending on which music track is playing!