Matt Reeves has revealed that the first season of the new TV series based in the world of The Batman will be set before the events of the film.

The movie - starring Robert Pattinson as the caped crusader - will be set in the early days of Batman's shenanigans in Gotham City, although Reeves has insisted that it will not be a retelling of the character's origin story.

Reeves is also masterminding a new TV series for HBO Max, Gotham P.D., that will be set in Gotham's iconic police department and now he has revealed more details about the show during DC's FanDome event.

"For me, the idea of this story was a story in which Gotham, which has this depth of corruption, and then the idea that we could actually do a series that is going deeper into an aspect of it, which in this case is the corrupt police department and the corrupt inner workings of the city," Reeves said.

"The idea is we go back to year one and year one is the beginning. It's the first appearance of this masked vigilante that unsettles the city.

"You start to see the story through the point-of-view of these corrupt cops. And one in particular. The story is actually a battle for his soul. He's a cop over generations and the history of corruption in Gotham is enormous and goes back many years."

Reeves has also unveiled the first trailer for The Batman this weekend.