Nnnnnnnn! Wrong! It ain't the bat. Nope, nope, nope.
4 seconds sound clip from the Batman: Mask of the Phantasm movie soundboard.
You can hear this line at 00:53:46.917 in the Blu-ray version of the movie.
Quote context
[...]
- What are you talking about? I never met them or you.
- I worked for Beaumont. I didn't know what he was doing.
- Oh, but you knew about it afterwards, and put it to good use, eh?
- To find out who's iced the old gang.
- Haven't you read the papers? It's Batman!
- Nnnnnnnn! Wrong! It ain't the bat. Nope, nope, nope.
- I've seen the guy. He looks more like the ghost of Christmas future. Nowhere near as cute as Batboy.
- You're saying it's someone else?
- Yeah. Someone who wouldn't mind seeing our old pals out of the way.
(The Joker gasps) Maybe... gulp... sob... me, too.
- That's when I thought of you, Arturo.
[...]