Just a few days after John Wick: Chapter 3 - Parabellum debuted to a franchise-best $57 million—knocking Avengers: Endgame out of the number one spot like an absolute boss—it appears that Lionsgate has announced John Wick: Chapter 4, dating the sequel for a May 21, 2021 premiere. The news came courtesy of the same John Wick text line that debuted the Chapter 3 trailer, with members receiving a message that read [via Variety], "You have served. You have been of service. John Wick: Chapter 4 is coming - May 21, 2021." This is obviously good news for fans of …