#4. Toward the end of Iron Man 2 if you look closely you can spot a S.H.I.E.L.D. map showing seven “incident” targets that correspond to where major Avengers characters are thought to be located: California (Iron Man); Southwest US (Thor); Northeastern US (Hulk); Greenland (Captain America); Northern Europe (Red Skull); Eastern Africa (Black Panther); and the middle of the Atlantic Ocean (Namor the Sub-Mariner, who has yet to appear in a Marvel movie).