Here's where it's coming from.

4 seconds sound clip from the The Thing from Another World movie soundboard.

You can hear this line at 00:24:14 in the Blu-ray version of the movie.

Quote context

[...]

- The greatest discovery in history up in flames. Turning a new civilization into a 4th of July piece.

- Captain, I'm getting something over here.

- Probably a fragment from the saucer.

- We may salvage something yet.

- Hold it, everybody. I'm getting a reaction. Let me get a reading.

- It's getting warm... Hotter now...

- Here's where it's coming from.

- What is it?

- Looks like a man. It's got legs and a head. I can see him.

- Yeah. He must be over 8 feet long.

- Somebody got out of that saucer.

- Got out or was thrown out? Then frozen fast before he could get clear.

- Man from Mars.

- How do you propose getting him out, captain?

- I don't know.

- Use more thermite.

- Whichever's quickest. We don't have much time.

[...]