The Tesseract is misbehaving.
4 seconds sound clip from the The Avengers (2012) movie soundboard.
You can hear this line at 00:03:02 in the Blu-ray version of the movie.
Quote context
[...]
- Every piece of Phase 2 on a truck and gone.
- Director. Is there anything we know for certain?
- The Tesseract is misbehaving.
- Is that supposed to be funny?
- The Tesseract is not only active, she's behaving.
- I assume you pulled the plug.
- She's an energy source. We turn off the power, she turns it back on.
- If she reaches peak level...
[...]