As you can imagine, this won't be a particularly faithful rendering of the Batman comic or mythology, but many familiar characters will be on hand for a Pride party hosted by Wayne Enterprises, a.k.a. Bruce Wayne.

Source: https://sfist.com/2023/06/20/immersive-theatrical-party-pride-in-gotham-to-deliver-campy-batman-experience-inside-historic-hibernia-bank/

He created Wayne Enterprises, which is a company that allows him to run business affairs, but also create things like the Batmobile for his superhero gig.

Source: https://www.deseret.com/entertainment/23583706/batman-origin-story-actors-best-batman-portrayals