Ben Affleck, Jared Leto, and Joe Manganiello could reprise their roles as Batman, Joker, and Deathstroke, respectively. This is suggested by a new rumor, which reinforces previous reports indicating interest in Affleck returning to the suit. However, this wouldn't be on the big screen; instead, it would be an original production (film or series) for the online video platform HBO.
Ben Affleck would be Batman again
We recently learned that HBO Max will premiere the highly anticipated Snyder Cut, the re-edited version of Justice League, next year . This cut will show us the true vision that Zack Snyder himself was unable to present due to personal reasons that led him to leave the production.
Well, if that was already great news, it seems it won't be the only thing we see related to the DC Extended Universe and Batman. According to some media outlets, following The Cultured Nerd's exclusive report, HBO seems interested in having Ben Affleck reprise his role as Batman.
What's more, these indicate that these conversations have already begun and that the actor and director will be in charge of directing the film or series (we don't know for sure what it would be) and adaptation of the script. All this under the production of Zack Snyder who would also be involved in the project.

Likewise, Ben Affleck's return wouldn't be the only noteworthy aspect of this new HBO series. The network also expects Jared Leto and Joe Manganiello to reprise their roles. Leto would return as the Joker, while Manganiello would reprise his role as Deathstroke. If that doesn't sound reassuring, Manganiello only appeared briefly in the post-credits scene of Justice League.
No interference with The Batman

The rumor of Affleck, Leto, and Manganiello possibly returning to the roles of Batman , Joker, and Deathstroke for the next HBO original series or movie—we'll see what happens in the end— is not going to disrupt the plans for The Batman.
The next film by Matt Reeves, which will form part of a theoretical trilogy, is waiting to return to work in order to finish it and that it can finally be released in cinemas or on the platforms that decide to do so depending on how this film develops. new normal caused by COVID-19.
What's more, that would be one of the reasons for said adaptation to the small screen is that Warner is committed to the Reeves trilogy and its theatrical release. Although Batman fans don't think it's something they really care about. What's more, the more content the better and seeing the quality of many series can be really interesting.
Of course, the biggest point of interest will be to see if Affleck really accepts the proposal or not. If he says yes, we will see if on this occasion he has managed to decipher the character and has the ability to show that vision that he was looking for and for which he decided to leave The Batman project both as a director and as an actor.