Suggestions by @cartoonmultiverse

Leonardo (TMNT 2012)

as Peter Quill/Star Lord in Guardians of the Galaxy (Cartoon Crossover)

Benson (Regular Show)

as Thaddeus Ross in Captain America Civil War (Cartoon crossover)

Sheriff Woody Pride

as T’Chaka in Captain America Civil War (Cartoon crossover)

Fluttershy

as Aunt May in Captain America Civil War (Cartoon crossover)

Stanley Pines

as Everett K. Ross in Captain America Civil War (Cartoon crossover)

Rob (The Amazing World of Gumball)

as Baron Zemo in Captain America Civil War (Cartoon crossover)

Tiger Claw (2012 TV series)

as Crossbones in Captain America Civil War (Cartoon crossover)

Steven Universe (Character)

as Vision in Captain America Civil War (Cartoon crossover)

Manny Rivera

as T’Challa/Black Panther in Captain America Civil War (Cartoon crossover)

Kim Possible (Disney Character)

as Natasha Romanoff/Black Widow in Captain America Civil War (Cartoon crossover)

Kick Buttowski

as James Rhodes “Rhody”/War Machine in Captain America Civil War (Cartoon crossover)

Jimmy Neutron (Character)

as Tony Stark/Iron Man in Captain America Civil War (Cartoon crossover)

Rigby (Regular Show)

as Scott Lang/Antman in Captain America Civil War (Cartoon crossover)

Mordecai (Regular Show)

as Clint Barton/Hawkeye in Captain America Civil War (Cartoon crossover)

Talia (Lolirock)

as Wanda Maximoff in Captain America Civil War (Cartoon crossover)

Dipper Pines

as Sam Wilson/Falcon in Captain America Civil War (Cartoon crossover)

Hunter (The Owl House)

as Bucky Barnes/Winter Soldier in Captain America Civil War (Cartoon crossover)

Ben Tennyson

as Steve Rogers/Captain America in Captain America Civil War (Cartoon crossover)

Dipper Pines

as Sam Wilson/Falcon in Ant Man (Cartoon Crossover)

Aqualad (Teen Titans Go!)

as Darren Cross/Yellow Jacket in Ant Man (Cartoon Crossover)