Even I don't know what it does. Do you want to find out?
7 seconds sound clip from the The Avengers (2012) movie soundboard.
You can hear this line at 01:24:12 in the Blu-ray version of the movie.
Quote context
[...]
- No!
- Are you ever not going to fall for that?
- The humans think us immortal. Should we test that?
- You like this? We started working on the prototype after you sent the Destroyer.
- Even I don't know what it does. Do you want to find out?
- No! (2)
- Natasha?
[...]