20 Brilliantly Obscure Comic Book Movie Easter Eggs You Didn't Notice
10. Keep Calm & Call Batman (Man Of Steel)
There is a fun scene in Man of Steel, in which Superman is flying around a damaged building, where a poster can be briefly seen in the background that says "Keep Calm and Call Batman". While this could just be seen as a fun reference, as a foreshadowing of the coming of the character to this particular DC Cinematic Universe, or as a literal instruction to Henry Cavill's Kryptonian hero to call the Dark Knight to assist him in the fight against evil, it could also be prophetic of the fact that bringing Batman into the sequel could potentially save the franchise in the even of Man of Steel failing at the box office (which, of course, it didn't).