Most papercraft dolls, as cool as they are, are stumpy little blocky deals, but My Paper Heroes has an Avengers set that smashes the old look. The link will lead you to downloadable PDFs with everything you need, including a variant hairstyle for Black Widow's Iron Man 2 look, a helmet for Captain America and more. Unlike Widow's feelings about giant, flying leviathans, I can totally see how that's a party.