Suggestions by @parzivalextras

David Duchovny

as Bruce Banner/Hulk (recast) in MCU Phase 1-3 (1998-2009)

Keke Palmer

as Michelle "MJ" Jones in MCU Phase 1-3 (1998-2009)

Ryan Reynolds

as Pikachu in Super Smash Bros. (Anime)

Charlize Theron

as Samus Aran in Super Smash Bros. (Anime)

Andy Samberg

as Waluigi in Super Smash Bros. (Anime)

J.K. Simmons

as Bowser in Super Smash Bros. (Anime)

Colin Ford

as Human Torch in Fantastic Four

Serinda Swan

as Medusa in Marvel Phase 4

Alex Lawther

as Iceman in Marvel Phase 4

Cameron Boyce

as Garfield Logan in Teen Titans (New 52)