![In Batman: Assault on Arkham (2014), when Harley is looking through hers and Joker's old stuff she throws out the mask from The Dark Knight (2008) and Batman: The Joker is Wild ( In Batman: Assault on Arkham (2014), when Harley is looking through hers and Joker's old stuff she throws out the mask from The Dark Knight (2008) and Batman: The Joker is Wild (](https://preview.redd.it/hbmj3r8mjfb11.jpg?auto=webp&s=ea336b5e99b0fcff91708f681918510150667a16)
In Batman: Assault on Arkham (2014), when Harley is looking through hers and Joker's old stuff she throws out the mask from The Dark Knight (2008) and Batman: The Joker is Wild (
![In Batman: Attack on Arkham, while Harley Queen is going trough Joker's things, she finds the mask used by Joker in The Dark Night, that is referencing Cesar Romero's mask in the In Batman: Attack on Arkham, while Harley Queen is going trough Joker's things, she finds the mask used by Joker in The Dark Night, that is referencing Cesar Romero's mask in the](https://images-cdn.9gag.com/photo/aExXzwx_700b.jpg)
In Batman: Attack on Arkham, while Harley Queen is going trough Joker's things, she finds the mask used by Joker in The Dark Night, that is referencing Cesar Romero's mask in the
![Batman: 5 Reasons Why Black Mask Is Actually More Dangerous Than The Joker (& 5 Why He Will Never Be As Dangerous) Batman: 5 Reasons Why Black Mask Is Actually More Dangerous Than The Joker (& 5 Why He Will Never Be As Dangerous)](https://static0.cbrimages.com/wordpress/wp-content/uploads/2020/03/black-mask-and-the-joker.jpg)