Iron Man & Hulk: Heroes United Word Search Puzzle – Search Characters, Actors and Actresses. Word Search Puzzle Solver. The Invincible Iron Man and the Incredible Hulk must join forces to save the Earth from its greatest threat yet! When two Hydra scientists try to supercharge a Stark Arc Reactor with Hulk's Gamma Energy they unleash a being of pure electricity called Zzzax - and he's hungry for destruction. Together Iron Man and Hulk are the only force that stands in the way of the Zzzax's planetary blackout. But first the super heroic duo will have to get through snarling Wendigos deadly robots and the scaly powerhouse Abomination. Can two of Marvel's mightiest heroes find a way to work together without smashing each other before time runs out? Find out the following actor, actress, character names, and other movie-related words hidden in this word search puzzle based on this movie.. This includes identifying and searching for words that are related to : David Kaye, Liam O'Brien, Adrian Pasdar, Fred Tatasciore, Dee Bradley Baker, Robin Atkin Downes .