There will a few tricks but mostly treats in October in the beginning of a new fiscal year. Bring out your Halloween costumes and start fading!
If The Batman movie is following Batman: Year One graphic novel, then at the end Joker will appear briefly.
Will Any Of These Characters Appear In 'The Batman' Movie From DC Comics: Joker +600

Will Any Of These Characters Appear In 'The Batman' Movie From DC Comics
If The Batman movie is following Batman: Year One graphic novel, then at the end Joker will appear briefly.
Will Any Of These Characters Appear In 'The Batman' Movie From DC Comics: Joker +600

Will Any Of These Characters Appear In 'The Batman' Movie From DC Comics