Warning! Spoilers ahead for The Batman
While Matt Reeves' The Batman features a handful of teases for future villains following the Riddler's attack on Gotham, its best reference has nothing to do with the Joker, hinting at another classic rogue with deep personal connections to Bruce Wayne (Robert Pattinson). While the origins would certainly be altered from the comics, the core of this villain could still be featured. As such, they'd be a much stronger sequel villain than the Joker, seeing as how the Clown Prince of Crime has already been featured in a second Batman film once before.
Given the hidden truths exposed by Riddler (Paul Dano) in The Batman, it was revealed that the Wayne Family has a much darker past than even Bruce Wayne was aware of. In this version of Gotham City, Thomas Wayne was running for mayor before he and his wife Martha were murdered in front of Bruce as a child. However, the truth came out that Thomas Wayne had a secret relationship with notorious mob boss Carmine Falcone (John Turturro), and had asked Carmine to intimidate a journalist threatening to expose Martha Arkham's history of mental illness. However, Falcone went too far and ultimately killed the journalist, an act which caused Thomas enormous guilt, which in-turn (allegedly) led to Falcone having the Waynes killed lest they expose him.
Related: The Batman Easter Eggs & DC References Guide
Interestingly enough, the murdered journalist connected to the Waynes' dark past is the one who opens the door for a very dynamic villain to be featured in The Batman 2. This would also allow the Joker (who was also teased) to be saved for a later film (which would be more meaningful). Here's how DC Comics' Hush would be the perfect villain over the
Read more on screenrant.com