Miller, who prefers to be identified by the pronouns they/them, was arrested on charges of disorderly conduct and harassment last month in Hilo, Hawaii.
They are set to star in the film adaptation of the superhero tale, which is also a popular TV series. The movie is slated for a June 2023 release.
There’s been chatter online that Grant Gustin, who stars in the television version of “The Flash,” should take over the role from Miller.
Gustin has portrayed Barry Allen / The Flash since the CW series premiered in 2014.
Miller also stars in the upcoming “Fantastic Beasts: The Secrets of Dumbledore.”
CNN has reached out to reps for Miller and Gustin for comment.