Check it out.
4 seconds sound clip from the Batman Returns (1992) movie soundboard.
You can hear this line at 01:04:55 in the Blu-ray version of the movie.
Quote context
[...]
- Perchance, are you a registered voter? I am a mayoral prospect.
- I have but one pet cause today.
- Oh, him again. No bother. He's already history.
- We're gonna disassemble his Batmobile and turn it into an H-bomb on wheels.
- No. No. He'd have even more power as a martyr.
- To destroy Batman, we must first turn him into what he hates the most.
[...]