Suggestions by @cartoonmultiverse

Joshua Rush

as Bobby Drake/Iceman in The Uncanny X-Men (Season 1)

Seychelle Gabriel

as Emma Frost in The Uncanny X-Men (Season 1)

David Faustino

as St. John Allerdyce/Pyro in The Uncanny X-Men (Season 1)

Rob Paulsen

as Hank McCoy/Beast in The Uncanny X-Men (Season 1)

Kimberly Brooks

as Ororo Munroe/Storm in The Uncanny X-Men (Season 1)

George Newbern

as Charlies Xavier in The Uncanny X-Men (Season 1)

Dante Basco

as Scott Summers/Cyclops in The Uncanny X-Men (Season 1)

George Newbern

as Charlies Xavier in The Sensational Spiderman (Season 1)

Yuri Lowenthal

as Dr. Reed Richards in The Sensational Spiderman (Season 1)

Aaron Paul

as Max Dillion in The Sensational Spiderman (Season 1)

David Kaye

as Adrian Tooms/The Vulture in The Sensational Spiderman (Season 1)

Troy Baker

as Herman Shultz/The Shocker in The Sensational Spiderman (Season 1)

Fred Tatasciore

as A Bomb (Harry) in The Sensational Spiderman (Season 1)

Dee Bradley Baker

as Dr. Otto Octavius in The Sensational Spiderman (Season 1)

Susan Eisenberg

as Doris Allen in The Sensational Spiderman (Season 1)

Steve Blum

as Scorpion in The Sensational Spiderman (Season 1)

John Cena

as Flint Marko in The Sensational Spiderman (Season 1)

Jack Dylan Grazer

as Mark Allen in The Sensational Spiderman (Season 1)

Dave Franco

as Cletus Kasady in The Sensational Spiderman (Season 1)

AJ Michalka

as Felicia Hardy in The Sensational Spiderman (Season 1)