The Flash trailer includes a Batman '66 Easter egg

The Flash trailer features a whole lot of Batman, with Michael Keaton and Ben Affleck both donning their capes and pointy ears once more – but one easily missed Easter egg tucked into the Big Game TV spot references yet another version of the Dark Knight.Artist Chris Weston, who worked in the costume department on The Flash, took to Twitter to highlight the variant costumes that can be glimpsed in the TV spot (H/T Collider). One eagle eyed fan then noticed that some of the suits are Easter