Endgame Explains Why Hank Pym Hates Stark – Theory Explained

Hank Pym’s distaste for Howard Stark is evident from the first time they’re shown on screen together in Ant-Man, however one theory suggests that a scene in Avengers: Endgame might explain why Pym hates Stark quite so much. Through the whole MCU Hank Pym is shown to be cantankerous and abrasive. While he has little patience for most people, Scott Lang included, his contempt for Howard Stark goes further than for anybody else.

In the opening flashback scene from 1989 at the start of Ant-Man, Hank Pym expresses his disdain for Tony’s father, Howard Stark, and his attempts to replicate the Pym Particle. While this hatred is shown in context to Stark trying to replicate his research for the military when Pym has refused it to them, it seems to go deeper than that. Throughout his presence in the MCU, Hank Pym takes every opportunity to take shots at Howard’s name, but also for Tony based purely on his being a Stark, suggesting that there is an intense hatred of Starks on a moral basis.

According to the theory, an implication of the time travel in Avengers: Endgame secretly explains this deep-seated hatred Pym has for Stark. When the Avenger’s plans in 2012 fail to provide them with the Tesseract, they instead travel back to 1970’s New Jersey to acquire the Tesseract there as well as a supply of Pym Particles to allow their travel back to 2023. While Steve Rogers returns all of the Infinity Stones (and presumably Mjolnir) to their original places in the timeline at the end of Avengers: Endgame, the one item that cannot be replaced is the actual Pym Particles themselves, as they appear to have been entirely used up in the final stint of time travel. While Hank Pym would never have been able to know what really happened to his Pym Particles, he would definitely have noticed their absence – and based on the fact that Howard Stark visited the facility on the same day in 1970, it would not have been a great leap for him to decide that Howard had stolen his Particles as part of an attempt to copy his research, meaning that his later suspicion that someone might try to steal his work was based on a very valid concern.

During Captain America: Civil War, Scott Lang mentions that Hank Pym had told him “never trust a Stark.” While both Ant-Man and Ant-Man and The Wasp see antagonists that are trying to steal Pym’s research so that they can use it for nefarious purposes that Pym doesn’t approve of, his hatred for the Stark family clearly outstripped any other concerns he had. This all makes sense if he blames Stark for the one time previously that someone had successfully stolen some of his work.

Unfortunately, this theory does not entirely work with how time travel is established in the MCU during Avengers: Endgame and Loki, and instead the failure to return the Pym Particles represents a plot hole for the movie. For this to work, they would have to be able to go back in time, change reality, and go forward again in the same timeline to find that the changes had taken effect when they get there. However, the Ancient One explains that a change creates a split timeline, and the existence of the TVA suggests that any long-term splits are pruned. Therefore, the failure to replace the Pym Particles would actually have caused a timeline split that would have been investigated by the TVA and is ultimately a time travel plot hole for Avengers: Endgame. Hank Pym’s hatred for Howard Stark must be based on other general ethical issues with how Stark conducts himself, but if not for the plot hole this would be a compelling answer to the root of the rivalry.

About The Author

Faefyx Collington
(488 Articles Published)

Faefyx Collington (They/Them) is a senior features writer for Screen Rant. They’re a British writer of both fiction and non-fiction, focussing on science fiction, fantasy, and mystery for the former and on culture, gender, and current affairs for the latter.
Never content to settle to one thing, Faefyx is also a co-host and producer of the podcast and video series “Unramblings,” and can occasionally be found making music around the internet as well.
Having acquired degrees on both sides of the Atlantic, Fyx has settled (for the moment) in the southern United States where they live with their spouse and an entirely appropriate number of cats.

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