Suggestions by @SpiderSonicPrime

Robert Hays

as Iron Man in Iron Man 4 (New Animated Film)

Rama Vallury

as Trigger Words in Russian in Captain America 3 (New Animated Film)

Robert Hays

as Tony Stark in Captain America 3 (New Animated Film)

Neal McDonough

as Bruce Banner in Captain America 3 (New Animated Film)

Lou Ferrigno

as Hulk in Captain America 3 (New Animated Film)

Jennifer Carpenter

as Black Widow in Captain America 3 (New Animated Film)

Josh Keaton

as Captain America in Captain America 3 (New Animated Film)

Mark Acheson

as Sabretooth in Avengers Vs. X-Men (New Animated Film)

Tamara Bernier

as Mystique in Avengers Vs. X-Men (New Animated Film)

Matthew Waterson

as Magneto in Avengers Vs. X-Men (New Animated Film)

Ross Marquand

as Professor X in Avengers Vs. X-Men (New Animated Film)

Martha Marion

as Emma Frost in Avengers Vs. X-Men (New Animated Film)

Adrian Hough

as Nightcrawler in Avengers Vs. X-Men (New Animated Film)

George Buza

as Beast in Avengers Vs. X-Men (New Animated Film)

Alison Sealy-Smith

as Storm in Avengers Vs. X-Men (New Animated Film)

Cal Dodd

as Wolverine in Avengers Vs. X-Men (New Animated Film)

Crystal Lee

as Phoenix in Avengers Vs. X-Men (New Animated Film)

Ray Chase

as Cyclops in Avengers Vs. X-Men (New Animated Film)

Dorian Harewood

as War Machine in Avengers Vs. X-Men (New Animated Film)

Christopher Daniel Barnes

as Spider-Man in Avengers Vs. X-Men (New Animated Film)