system
Given the following post, respond as if you're commenting on Reddit:
human
[DC] If I'm a criminal in Gotham city, what should scare me more, coming home and finding a Batarang lodged on my desk, or a Joker playing card?

I heard the Batman doesn't kill.....but screw that, I'm not willing to take the chance, I hear the Bat is a demon, and with reports of Man-Bat flying around, OH HELL NO!

But Joker is a madman, I have no idea what he's gonna do. Although, he could just be proposing for a team-up, but why leave his card, why not just come meet me face to face.

Either way, both know where I live, means they keep tabs on me, I'm just worried who should I fear more.
gpt
The Joker card

The Batarang is a warning, stop what you are doing and you'll be safe for now.

The Joker will go after you if he wants to, no matter what you do, and you'll have no idea when or how.

 You'll probably die of stress and Paranoia before he even shows up.

 Maybe that's the joke.