What happens if Karen gets to see the manager, but the manager is also a Karen?

You have a Karenado

eventually one will consume the other. and the staff take bets and eat popcorn

Karenception.

https://www.reddit.com/r/FuckYouKaren/comments/bca2rk/when_an_unstoppable_karen_meets_an_immovable_karen/

😂

A space time singularity

But technically a Karen manager couldn't exist, it'd recursively want to talk to itself until imploding

Is this the plot to King Kong v Godzilla?

Hopefully they will be a couple of Caring Karen’s

A collision black hole

bitch fight