And, yes, I reveled in the Joss Whedon-esqueness of it.
If you haven't seen it, be sure to wait until all the credits are done (every single bit) because there's a second, after-the-credits bit that runs.
You wanna see acting without a single word, then wait for it.
I also meant to say that I loved the fact that Iron Man understood Loki so well because they are both divas. (Also, both easy on the eye, but that is a different sort of ... ahem ... love.)