The Batman Part II will reportedly feature one of The Dark Knight's most famous allies – and their inclusion might kill off a big fan theory about its plot

Robert Pattinson's The Dark Knight preparing to punch someone in 2022's The Batman movie.

• A new report suggests The Batman Part II will feature Robin
• The rumor emerged less than 24 hours after the movie's filming start date was revealed
• James Gunn has since taken to social media to say the speculation isn't true

Update: as I predicted at the end of this article's initial publication, DC Studios co-CEO James Gunn has refuted this rumor. Taking to Threads, he urged fans to "stop believing this nonsense. I think six of us have read the script. No one knows anything about The Batman 2."