Avengers: Age of Ultron/Hey Arnold

Cast

 * Tony Stark/Iron Man as Ernie
 * Steve Rogers/Captain America as Arnold
 * Dr. Bruce Banner as Mr. Simmons
 * The voice of Hulk as "Big" Bob Pataki
 * Thor as Eugene
 * Natasha Romanoff/Black Widow as Helga
 * Clint Barton/Hawkeye as Sid
 * Sam Wilson/Falcon as Grandpa Phil
 * Nick Fury as Principal Wartz
 * Ultron as Nick
 * Wanda Maximoff/Scarlet Witch as Rhonda
 * James Rhodes/War Machine as Councilman Gladhand
 * Baron Strucker as Edmund
 * Vision as Harold
 * Peggy Carter as Lila
 * Laura Barton as Sheena
 * Thanos as Scheck
 * World War Veteran ll as Coach Wittenberg
 * Ulysses Klaw as Wolfgang
 * Dr. Helen Cho as Phoebe
 * Madame B. as Big Patty