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The Flash trailer breakdown! Keaton Batman Easter eggs you missed!

Michael Keaton's 1989 Batman arrives in The Flash trailer that played during the Super Bowl! Erik Voss breaks it down ...

'Batgirl' directors confirm that Michael Keaton plays Batman in the upcoming HBO Max movie

Adil El Arbi and Bilall Fallah told Insider they're unsure if Keaton returns first in "The Flash" or their movie, as it doesn't have a release date.