Who really is the Joker and why we don't need his origin movie

DC Comics drops a bomb and reveals The Joker's real name

Which version of the Joker is the creepiest? We asked some experts

What's the Deal with Batman and the Joker Anyway?

Why An Origin Movie For The Joker Is A Terrible Idea

Best Joker Scenes in The Dark Knight

Joker': Wild Ride For Hollywood's Wild-Card Success Continues

Joker (2019 film) - Wikipedia

How 'Joker' Fits Into the DC Cinematic Universe

They may not be in the same universe (which I think works because both focus on competency different things at the end of the day) there's a nice parallel between Pattinson Batman

The Joker: The insanity and pessimism of Batman's nemesis — the most enduring villain in comics-Entertainment News , Firstpost

What's the Deal with Batman and the Joker Anyway?

Who is The Joker? The twisted origin story of Batman's demented enemy

Why The Joker's Origin Story Doesn't Need to Be Told