Since releasing his Injustice Mobile Skins Restoration Mod PS4 PKG, PS4Scene developer @Wastelander121 recently shared via Twitter a Batman: Return to Arkham City Cut Content Playable Joker PS4 Mod demonstration video on his Wastelander121 YouTube Channel.
From the video’s description: Recorded with Elgato 4K60S+ and mClassic. For more about cut content and modding join our Mod Users Society Discord Server Channel.
For those wondering how this PS4 game modification was accomplished, he simply states the following in the video comments:
I edited the .bin file inside the UE3 files. Replacing Robin’s file with Joker.