Suggestions by @user_359813

Jimmy Neutron (Character)

as Nick Fury in Avengers: Age of Ultron (Characters)

Wubbzy

as Cooper Barton in Avengers: Age of Ultron (Characters)

Molly (Bubble Guppies)

as Lila Barton in Avengers: Age of Ultron (Characters)

Millie Knolastname

as Laura Barton in Avengers: Age of Ultron (Characters)

Sam (Totally Spies!)

as Maria Hill in Avengers: Age of Ultron (Characters)

Edward Elric

as James Rhodes/War Machine in Avengers: Age of Ultron (Characters)

Dipper Pines

as Sam Wilson/Falcon in Avengers: Age of Ultron (Characters)

Moxxie Knolastname

as Clint Barton/Hawkeye in Avengers: Age of Ultron (Characters)

Kim Possible (Disney Character)

as Natasha Romanoff/Black Widow in Avengers: Age of Ultron (Characters)

Jake Long

as Bruce Banner/The Hulk in Avengers: Age of Ultron (Characters)

Star Butterfly

as Thor in Avengers: Age of Ultron (Characters)

Aang

as Steve Rogers/Captain America in Avengers: Age of Ultron (Characters)

Izuku Midoriya/Deku

as Tony Stark/Iron Man in Avengers: Age of Ultron (Characters)

Ice King

as Ronnin the Accuser in Guardians of the galaxy (Characters)

Casey Jones (2012 TV series)

as Corpsman Day in Guardians of the galaxy (Characters)

Blaze the Cat

as Irani Rael in Guardians of the galaxy (Characters)

Vector the Crocodile

as Kraglin in Guardians of the galaxy (Characters)

Starlight Glimmer

as Nebula in Guardians of the galaxy (Characters)

Fluttershy

as Gamora in Guardians of the galaxy (Characters)

Sonic the Hedgehog (Character)

as Peter Quill/Star Lord in Guardians of the galaxy (Characters)