WARNING: The following contains spoilers for The Joker #4, by James Tynion IV, Guillem March, Arif Prianto and Tom Napolitano, on sale now.
One of the biggest additions to the DC Universe from the New 52 era a full decade ago is the Court of Owls, a secret society that operates out of the shadows of Gotham City quietly manipulating and steering the course of the city for generations.
https://www.cbr.com/batman-court-of-owls-targeting-oracle/