Sorry, kids, you don't get to see my party trick after all.
5 seconds sound clip from the The Avengers (2012) movie soundboard.
You can hear this line at 01:12:16 in the Blu-ray version of the movie.
Quote context
[...]
- Until you dragged me back into this freak show and put everyone here at risk.
- You want to know my secret? You want to know how I stay calm?
- Dr. Banner, put down the scepter.
- Got it.
- Sorry, kids, you don't get to see my party trick after all.
- The Tesseract belongs on Asgard. No human is a match for it.
- Put on the suit, let's find out.
[...]