- Maybe Superman won't show up.
- If he does, he'd never live to regret it.
4 seconds sound clip from Superman (1948) - Superman To The Rescue (Chapter 8).
You can hear this line at 00:11:46.472 in the Blu-ray version of the episode.
Quote context
[...]
- Out of that car. Both on the same side.
- Open up that back. Don't do it.
- You won't get away with this.
- Never mind him. Open up, you.
- Come on, make it snappy. We haven't got all day.
- Maybe Superman won't show up.
- If he does, he'd never live to regret it.
- There he is, up on that cliff.
- Haven't you about run out of pockets?
- You're working for the Spider Lady, aren't you?
- Better change your mind. Sometimes I don't know my own strength.
- I've never seen her. We were hired by a man called Bart.
[...]