One Piece: Pirate Warriors 4 launches March 27, 2020, new trailer
Update: One Piece: Pirate Warriors 4 is confirmed to launch on March 27, 2020 in the west.
Original: Bandai Namco has dated One Piece: Pirate Warriors 4 in Japan. The game will launch on March 26, 2020, with other regions likely getting the game around the same day.
Here’s a new trailer: