Suggestions by @wtylor415

Steven Universe (Character)

as Tony Stark in The Incredible Hulk (Made by characters)

Sonic The Werehog

as Abomination in The Incredible Hulk (Made by characters)

Professor Calamitous

as Emil Blonsky in The Incredible Hulk (Made by characters)

Stanford Pines

as Thadeus Ross in The Incredible Hulk (Made by characters)

Sheldon J. Plankton

as Samuel Sterns in The Incredible Hulk (Made by characters)

Rose/Huntsgirl

as Dr. Betty Ross in The Incredible Hulk (Made by characters)

Jake Long

as Bruce Banner/The Hulk in The Incredible Hulk (Made by characters)

Jimmy Neutron (Character)

as Nick Fury in Iron Man (Made by characters)

Heather (Total Drama)

as Christein Everheart in Iron Man (Made by characters)

Jasper

as Obadiah Stain/Iron Monger in Iron Man (Made by characters)

Stanley Pines

as Ho Yinsen in Iron Man (Made by characters)

Duncan (Total Drama)

as Happy Hogan in Iron Man (Made by characters)

Danny Phantom (Daniel Fenton)

as James Rhodes "Rhody" in Iron Man (Made by characters)

Connie Maheswaran

as Pepper Potts in Iron Man (Made by characters)

Steven Universe (Character)

as Tony Stark/Iron Man in Iron Man (Made by characters)