Batman fans have theorised that Christian Bale‘s incarnation of the Caped Crusader will appear in the upcoming Flash film.The DC film debuted its trailer last night (February 12) at the Super Bowl, showcasing Ezra Miller’s Barry Allen/The Flash alongside Michael Keaton and Ben Affleck’s incarnations of Batman.However, eagle-eyed fans have suggested that Bale could also be returning as Batman, with one brief moment showing the superhero riding a Batpod, much like the one seen in Christopher Nolan’s Dark Knight trilogy.“At the 1.55 mark is a Batman and Batmobile resembling Christian Bale… I will [lose] it in the cinema if he cameos!!” one fan tweeted.“Is that Christian Bale as the Nolan-Batman in #TheFlash trailer? I’m going to FREAK OUT if Bale is back!” another said.A third added: “Wait. Hold up.