John Wick 4's Original Title Explains Why John Wick 5 With Keanu Reeves Shouldn't Happen
John Wick: Chapter 4 almost went with a different subtitle, and it would have made it even more obvious that the movie does not need a sequel.
https://screenrant.com/john-wick-4-hagakure-title-meaning-john-wick-5-not-happen/