Michael Keaton had an 'emotional' return to the Batcave

Michael Keaton had an emotional reaction to seeing the original Batcave for the first time in 30 years on set of The Flash."When [Keaton] arrived to the set, the Batcave was already finished and it was lit and everything. He stayed like this [eyes wide] for a while. I didn’t want to interrupt him. I just wanted for him to take it in. Who knows what was going on there? But something was going on there," director Andy Muschietti told IGN. "It was funny because at one point during the sc