I wonder how Civil War will compare to this, since even though it's billed as a Captain America movie it actually has more heroes in it than either this or the first film. One of whom is Spider-Man (who despite ASM1/2's decreases, a new one that teams up with the Avengers will inevitably draw attention).
I mean it has at minimum 7 heroes (and those are only the official ones), and could get as high as 12.