Hugo Weaving as pre-monsterface Red Skull, holding what would seem to be The Cosmic Cube. For those sans-context for that: What you’re looking at is a Nazi holding up a Magic Wishing Rock. Yes, really.
It still trips me out that the various “Avengers” lead-ups are actually dipping this far into the stranger side of their universe right out of the gate – typically, stuff like this is the first thing a movie adaptation decides to drop. Awesome.