In the latest issue of Weekly Jump, Bandai Namco confirmed that Basil Hawkins will join the upcoming One Piece: Pirate Warriors 4 as a playable character and Kaido of the Beasts as a boss character. (via ArlongPark)
Source: N4G PC One Piece: Pirate Warriors 4 Adds Playable Character Basil Hawkins, Boss Kaido