Back together! Avengers assemble!

The “Iron Man 3” gang will be joined at the premiere by several Marvel Films alums such as Anthony Hopkins, Chris Evans, Samuel L. Jackson, Tom Hiddleston, Jeremy Renner, Mark Ruffalo, Clark Gregg, Cobie Smulders, Jaimie Alexander, Dominic Cooper, Neal McDonough, Sebastian Stan, Kat Dennings and Hayley Atwell.