Originally Posted by Shikamaru
That's the key word. It needs to be directly addressing the audience in order for it to break the fourth wall. Rhodey needs to literally be aware of the fact that he is a fictional character in a movie, which he isn't, in order for it to be breaking the fourth wall.
Yep. It's an in-joke. Emphasis on in.
It's a line that still works within the context of the movie.
The whole point of breaking the fourth wall is that it shatters any "in." It has a character openly acknowledge he is in a movie/play/comic or what have you and address the audience.