Suggestions by @SpiderSonicPrime

Wally Wingert

as Mr. Fantastic in Happy Amazing Birthday, Spider-Man! (Animated Special)

Erica Lindbeck

as Captain Marvel in Happy Amazing Birthday, Spider-Man! (Animated Special)

Grey DeLisle

as Captain Marvel in Happy Amazing Birthday, Spider-Man! (Animated Special)

Josh Keaton

as Ant-Man in Happy Amazing Birthday, Spider-Man! (Animated Special)

Phil LaMarr

as War Machine in Happy Amazing Birthday, Spider-Man! (Animated Special)

James C. Mathis III

as War Machine in Happy Amazing Birthday, Spider-Man! (Animated Special)

Mark Hildreth

as Quicksilver in Happy Amazing Birthday, Spider-Man! (Animated Special)

Kate Higgins

as Scarlet Witch in Happy Amazing Birthday, Spider-Man! (Animated Special)

David Kaye

as Vision in Happy Amazing Birthday, Spider-Man! (Animated Special)

Bumper Robinson

as Falcon in Happy Amazing Birthday, Spider-Man! (Animated Special)

James C. Mathis III

as Black Panther in Happy Amazing Birthday, Spider-Man! (Animated Special)

Kari Wahlgren

as Wasp in Happy Amazing Birthday, Spider-Man! (Animated Special)

Colleen O'Shaughnessey

as Wasp in Happy Amazing Birthday, Spider-Man! (Animated Special)

Danny Jacobs

as Yellowjacket in Happy Amazing Birthday, Spider-Man! (Animated Special)

Wally Wingert

as Yellowjacket in Happy Amazing Birthday, Spider-Man! (Animated Special)

Laura Bailey

as Black Widow in Happy Amazing Birthday, Spider-Man! (Animated Special)

Chris Cox

as Hawkeye in Happy Amazing Birthday, Spider-Man! (Animated Special)

Giacomo Gianniotti

as Hawkeye in Happy Amazing Birthday, Spider-Man! (Animated Special)

Troy Baker

as Hawkeye in Happy Amazing Birthday, Spider-Man! (Animated Special)

Fred Tatasciore

as Hulk in Happy Amazing Birthday, Spider-Man! (Animated Special)