I still think if they ever did perma-kill the Joker it should be done via a random citizen getting luck.
Think about it: The Clown Prince of Crime dies not to Batman finally breaking his code, but a random Joe just got a lucky pot shot. A perfect final joke
>”I want my crew” >Shows a bunch of Cons that have never been seen on screen before and somehow aren’t scrap given the anti-cybertronian sentiment of the humans by this point