SPOILER ALERT: Do not read if you have not yet watched “The Batman.”
Although Barry Keoghan is an established character actor who has put in memorable performances in several high-profile movies, such as “Dunkirk,” “Eternals” and “The Green Knight,” it’s his brief cameo at the very end of “The Batman” that could elevate him into a household name. Palling around in Arkham Asylum with The Riddler (Paul Dano), the pair have a behind-bars gab session about their criminal ideologies, which includes Keoghan’s character mentioning the word “clown” and giving a very sinister laugh. It doesn’t take the World’s Greatest Detective to figure out that this figure — although only visible in profile and referred to in the credits as “Unseen Arkham Prisoner” — will return to haunt Batman as another incarnation of the Joker.
Outside of being Batman’s…
