Suggestions by @SpiderSonicPrime

Eric Loomis

as Iron Man/Hulkbuster Iron Man in The Hulk 2 (New Animated Film)

Roger Craig Smith

as Captain America in The Hulk 2 (New Animated Film)

Brian Bloom

as Captain America in The Hulk 2 (New Animated Film)

Eliza Dushku

as She-Hulk in The Hulk 2 (New Animated Film)

Kevin Shinick

as Bruce Banner in The Hulk 2 (New Animated Film)

Jesse Burch

as Bruce Banner in The Hulk 2 (New Animated Film)

Fred Tatasciore

as Bruce Banner in The Hulk 2 (New Animated Film)

Troy Baker

as Bruce Banner in The Hulk 2 (New Animated Film)

Fred Tatasciore

as Hulk in The Hulk 2 (New Animated Film)

Kirsten Potter

as Lucia von Bardas in The Fantastic Four 3 (New Animated Film)

Maurice LaMarche

as Dr. Doom in The Fantastic Four 3 (New Animated Film)

Paul Dobson

as Dr. Doom in The Fantastic Four 3 (New Animated Film)

Nolan North

as Maximus the Mad in The Fantastic Four 3 (New Animated Film)

Tara Strong

as H.E.R.B.I.E. in The Fantastic Four 3 (New Animated Film)

Dave Wittenberg

as Wyatt Wingfoot in The Fantastic Four 3 (New Animated Film)

Tara Strong

as Alicia Masters in The Fantastic Four 3 (New Animated Film)

Dog Sound Effects

as Lockjaw in The Fantastic Four 3 (New Animated Film)

Fred Tatasciore

as Karnak in The Fantastic Four 3 (New Animated Film)

Crispin Freeman

as Gorgon Petragon in The Fantastic Four 3 (New Animated Film)

James Arnold Taylor

as Triton in The Fantastic Four 3 (New Animated Film)