During the Credits
There are no extras during the credits of The Evil Within 2.
After the Credits
There are multiple extra scenes revealing the fate of the characters after the credits of The Evil Within 2.
In the second stinger, the STEM system back at the abandoned Mobius facility is shown turning back on.
There is also a list of items and modes unlocked after completion of the game such as new weapons, outfits, classic mode, new game+, the cinematic bars from the first game, and more.