A Batman Family Secret?
I know, I know this isn't worth my time to read. The writer is just making up a bullshit theory blah, blah, blah. Give me 10 minutes of your time and let me explain.
For 80 years, Batman and Joker have punched and laughed their way into the greatest rivalry in comics. This have been countless stories written about the two but one that has been hinted about in comic book and movie lore. The Joker is Batman's brother.... Don't …