Iron Man has been a prominent hero in Marvel Comics for decades, but he’s also known for being unreliable. First appearing in 1962, he quickly became a founding member of the Avengers, joining original heroes like Ant-Man, the Fantastic Four, and the Hulk. Over time, however, Iron Man has made several questionable decisions. What makes it worse is that Tony Stark often justified these actions by claiming they were necessary for the greater good, even if it meant betraying those closest to him.
Here is a look at seven instances where Iron Man betrayed another Marvel Comics hero.
7) Iron Man Attacks Stingray in Armor Wars
One of the most concerning events in Iron Man’s history was called “Armor Wars.” It began with Tony Stark trying to do the right thing: he discovered that his technology, Stark Tech, had been sold internationally and was now being used by criminals and other countries. He decided to retrieve it, starting by targeting criminals and disabling their armor using his own technology.
He really crossed the line when he began targeting heroes, and even the U.S. government. The incident that first turned both the U.S. and his friend, Captain America, against him was his attack on the hero Stingray, who wasn’t using any of Tony Stark’s technology. After Iron Man started attacking the government’s Guardsmen, he had to pretend to die to avoid being arrested.
6) Iron Man Betrayed Captain America Before Time Runs Out
The Marvel event called “Time Runs Out” will be depicted in the movie Avengers: Doomsday, showing the world facing destruction through events called Incursions. These Incursions will ultimately lead to the events of Avengers: Secret Wars. Iron Man and the Illuminati were aware of this impending crisis long before it affected Earth-616. Captain America also foresaw the danger and attempted to prevent it using the Infinity Gauntlet, but his efforts were unsuccessful.
Because Captain America refused to sacrifice another Earth to save their own, Iron Man erased his memory. Just before the universes collided, Captain America discovered his mind had been tampered with, leading to a fight between the two heroes as the world crumbled. This final battle highlighted the complex history between Earth’s greatest protectors, showing them fighting each other even as everything ended.
5) Iron Man Betrays Thor’s Trust, Twice
Among all his questionable actions, one of the worst things Tony Stark (Iron Man) did was create a clone of Thor and allow it to kill Goliath. Unfortunately, this wasn’t the only time Iron Man acted against his friend, the God of Thunder. Previously, when Thor gifted him something as a gesture of friendship, Iron Man turned it into a weapon potentially capable of killing Thor.
It became clear that Iron Man is Marvel’s version of Batman – someone who struggles to trust even those closest to him. But his actions during the Civil War were even more shocking. After Thor’s apparent death in Ragnarok, Iron Man secretly used a sample of Thor’s hair to create a clone and force it to fight for him. This clone ultimately killed Bill Foster, and Iron Man’s involvement severely damaged Thor’s legacy.
4) Iron Man Betrays Spider-Man in Civil War
During the superhero conflict, Iron Man tried hard to get other heroes to support his position. He even persuaded Spider-Man to join him, and convinced Peter Parker to reveal his identity on TV as a demonstration of loyalty. This was a terrible mistake for Spider-Man, as he had kept his identity secret to protect his family and friends, and revealing it led to his Aunt May being shot.
After Spider-Man expressed his regret and distanced himself from Iron Man, Tony Stark didn’t show any remorse and instead authorized government agents to pursue Spider-Man, accusing him of betrayal. Peter Parker escaped capture by making a deal with the villain Mephisto—a controversial moment in Spider-Man’s history—and ultimately, Iron Man was responsible for the situation.
3) Iron Man Betrays Hulk with the Illuminati
Iron Man didn’t just turn against Captain America as a member of the Illuminati—he also deceived the Hulk. The Illuminati tricked Hulk into helping with a supposed alien threat. However, it was a setup. They secretly decided Earth would be safer without Hulk and believed he’d be happier living peacefully on a deserted planet, all without considering what Hulk wanted.
Everything fell apart when Hulk’s ship malfunctioned and crashed on the planet Sakaar. There, he was forced to become a gladiator, eventually rising to become a champion. Tragedy struck when his wife was killed in a terrorist attack, sending Hulk back to Earth filled with fury. He unleashed his rage on the Illuminati, the group who had wronged him, and it was a satisfying moment when Iron Man finally faced the consequences of his actions.
2) Iron Man Betrays Captain America in Civil War
Iron Man’s actions weren’t just a betrayal of Captain America through his involvement with the Illuminati, or of Spider-Man and Thor during the Civil War; he also betrayed Captain America during the Civil War itself. Ultimately, both Iron Man and Captain America shared the blame, as neither was willing to find a middle ground. Captain America believed heroes should be free to operate independently, while Iron Man insisted they all register and work for the government.
Iron Man believed he was fighting for the right side, but his actions made it difficult to support him. He imprisoned heroes who disagreed with him, orchestrated the death of Bill Foster, and became increasingly controlling. The conflict ultimately led to Captain America’s death, for which Iron Man bore some responsibility.
1) Iron Man Betrays The Avengers in The Crossing
One of the most shocking moments in Iron Man’s history happened in the 1990s when he revealed he’d been secretly working for Kang the Conqueror all along. This took place during a storyline called ‘Crossing,’ and many fans consider it his lowest point. The story begins with Iron Man killing the time-traveling hero, Yellow Jacket (Rita DeMara), after she witnesses his betrayal.
Following this, Iron Man killed Marilla, Luna Maximoff’s Inhuman caretaker, after she witnessed something secret. He then murdered Gilgamesh, which alerted the Avengers to what was happening, and Tony Stark falsely accused Hawkeye. The Avengers discovered the truth and brought in a younger version of Tony Stark from the past to assist them. Ultimately, Iron Man gave his life to save the world, severely damaging his reputation. Although a later reboot attempted to undo this, the Avengers never fully regained their trust in him.
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2026-03-02 19:13