Parabellum - John Wick 3:

The film serves as a "deep" reunion for The Matrix fans. Director Chad Stahelski was Keanu Reeves' stunt double in the original trilogy, and the film features Matrix alumni like Laurence Fishburne and Randall Duck Kim (the Keymaker). John even utters the iconic line, "Guns. Lots of guns," explicitly bridging the two cinematic worlds.

"Parabellum" is also a common name for the 9mm handgun cartridge (9x19mm Parabellum), the most widely used ammunition in the world and a staple of John Wick's arsenal. Symbolism and Hidden Details John Wick 3: Parabellum

A common deep-dive theory suggests Winston’s shooting of John at the end was not a betrayal but a calculated risk to save him. By shooting John in his armored vest and pushing him off the roof (where he could survive the fall), Winston satisfied the Adjudicator while giving John a chance to escape. The film serves as a "deep" reunion for The Matrix fans

The introduction of the Adjudicator shifts the narrative from personal vendettas to institutional power. The character represents the "letter of the law," operating without weapons to enforce the rules of the High Table, illustrating that in this world, bureaucracy is as lethal as a bullet . Lots of guns," explicitly bridging the two cinematic worlds