Disney's Spider-Man and Iron man walk-around characters made their first appearance at the D23 Expo on Aug. 9, 2013. The came out to pose with voice actors from the "Phineas and Ferb: Mission Marvel" special. Pictured are stars Dan Povenmire (creator/executive producer & "Dr. Doofenshmirtz"), Swampy Marsh (creator/executive producer & "Major Monogram"), Vincent Martella ("Phineas"), Alyson Stoner ("Isabella");
Marvel Universe stars Drake Bell ("Spider-Man"), Adrian Pasdar ("Iron Man"), Fred Tatasciore ("Hulk") and Travis Willingham ("Thor").