Why The Hulk's Arm Didn't Heal At The End Of Avengers: Endgame
We saw many times throughout the Marvel Cinematic Universe how hard it was for an individual to harness the power of one just Infinity Stone, so calling on the power of all six seems unimaginable. And yet, two characters were able to survive such a task: Thanos at the end of Avengers: Infinity War and Hulk in the latter half of Avengers: Endgame. In the Green Goliath’s case, he walked away with a permanently damaged arm.
However, we’ve seen numerous times that The Hulk can take a lot of punishment because like his comic book counterpart, he has a regenerative healing factor. So why didn’t Hulk’s arm heal by the time Avengers: Endgame was over. That’s just what a fan asked directors Joe and Anthony Russo, and this was their response:
It’s one thing to get a beatdown from The Abomination or Surtur, but as Joe Russo laid out while he and his brother were answering fan questions about Avengers: Endgame for WIRED, the Infinity Stones are on a different level. These artifacts have been around since the beginning of the universe, and if you’re wielding that much power, there’s no way you’re going to come out of the experience unscathed.
Just look at Thanos. At the end of Avengers: Infinity War, he was damaged on the left side of his body and appeared weakened after wiping out half of all life in the universe, and when the heroes tracked him down at the beginning of Avengers: Endgame after he used the Infinity Stones again to destroy the Stones, the left side of his face was noticeably scarred. We saw Thanos kick Hulk to the curb in Infinity War, so if even The Mad Titan was permanently damaged by the Infinity Stones, Hulk had to be as well.
And, as Joe Russo noted, most folks who use all six Infinity Stones probably won’t survive the experience. That’s what happened to Tony Stark, who, albeit incredibly intelligent, was ultimately just a normal human and perished when he used the Stones to turn 2014 Thanos and his forces to dust. Hulk’s lucky he was still breathing after his experience.
Still, this was something Hulk needed to do. Five years after Thanos committed genocide, Ant-Man managed to break free from the Quantum Realm regrouped with the surviving Avengers, leading them to realize they could use the Quantum Realm to travel through time, retrieve the Infinity Stones from different points in history and bring them back to the present to undo The Decimation.
Ultimately they were successful, and not only did Hulk bring the dusted back to life in 2023, he ensured they were returned safely. By the end of Avengers: Endgame, Hulk’s arm was in a sling, and while one can imagine it’ll regain basic function eventually, if Hulk appears in the MCU again, he won’t be at his physical peak thanks to this heroic act.
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Connoisseur of Marvel, DC, Star Wars, John Wick, MonsterVerse and Doctor Who lore, Adam is a Senior Content Producer at CinemaBlend. He started working for the site back in late 2014 writing exclusively comic book movie and TV-related articles, and along with branching out into other genres, he also made the jump to editing. Along with his writing and editing duties, as well as interviewing creative talent from time to time, he also oversees the assignment of movie-related features. He graduated from the University of Oregon with a degree in Journalism, and he’s been sourced numerous times on Wikipedia. He's aware he looks like Harry Potter and Clark Kent.