Suggestions by @cartoonmultiverse

Black Widow/Yelena Belova (Marvel Cinematic Universe)

as Yelena Belova in Warriors of the Earth: The Symbiote Wars Part 1

Thena (Marvel Cinematic Universe)

as Thena in Warriors of the Earth: The Symbiote Wars Part 1

Groot (Marvel Cinematic Universe)

as Groot in Warriors of the Earth: The Symbiote Wars Part 1

Kate Bishop (Marvel Cinematic Universe)

as Kate Bishop in Warriors of the Earth: The Symbiote Wars Part 1

Boba Fett

as Boba Fett in Warriors of the Earth: The Symbiote Wars Part 1

Din Djarin

as Din Djarin in Warriors of the Earth: The Symbiote Wars Part 1

Sideswipe

as Sideswipe in Warriors of the Earth: The Symbiote Wars Part 1

Black Panther/Shuri (Marvel Cinematic Universe)

as Shuri/Black Panther in Warriors of the Earth: The Symbiote Wars Part 1

Kitana

as Kitana in Warriors of the Earth: The Symbiote Wars Part 1

Toph Beifong

as Toph Beifong in Warriors of the Earth: The Symbiote Wars Part 1

Spider-Man (Marvel Cinematic Universe)

as Peter Parker 1/Spiderman in Warriors of the Earth: The Symbiote Wars Part 1

Donatello (TMNT 2003)

as Donnie (03) in Warriors of the Earth: The Symbiote Wars Part 1

Eleven

as Eleven in Warriors of the Earth: The Symbiote Wars Part 1

Tifa Lockhart

as Tifa Lockhart in Warriors of the Earth: The Symbiote Wars Part 1

The Flash (CW)

as Barry Allen/The Flash in Warriors of the Earth: The Symbiote Wars Part 1

King (The Owl House)

as King in Warriors of the Earth: The Symbiote Wars Part 1

Luigi (The Super Mario Bros. Movie)

as Luigi in Warriors of the Earth: The Symbiote Wars Part 1

Bartman (Bart Simpson)

as Bart Simpson in Warriors of the Earth: The Symbiote Wars Part 1

Ballister Boldheart

as Ballister in Warriors of the Earth: The Symbiote Wars Part 1

Eijiro Kirishima/Red Riot

as Ejrio Kirshima in Warriors of the Earth: The Symbiote Wars Part 1