Batman: Arkham Knight - 15 Hidden Easter Eggs, References & Secrets You Need To Find

10. "Bats?... Bats??... BAAAATS?!" - Metal Gear Solid

https://www.youtube.com/watch?v=PWqIR59FYg0 It's been a while since anyone did a damn good Metal Gear reference - but with Phantom Pain returning later this year it's about time for a resurgence. As such, one of the death scenes you can experience should you bite it on a side-mission or during a certain toxin-filled scene in the story will result in Joker aping the support team's many screams from the various Metal Gear games.