Maroni was a prominent gangster in both The Dark Knight films and Batman: The Long Halloween comic.
The long-awaited The Batman trailer was finally unveiled during the DC FanDome event.
This bears out with Reeves’ remarks during his DC FanDome panel that The Batman will examine the vast amount of corruption that is plaguing Gotham at every level.
Considering The Batman is being hyped as a mystery movie, it would be too predictable to have the final villain turn out to be the Riddler.