In “Avengers: Endgame,” Ant-Man did not find Kang the Conqueror because Kang is not part of the film’s storyline. Kang is a Marvel Comics character who is a time-traveling villain, and he has not yet appeared in the Marvel Cinematic Universe (MCU).
In “Avengers: Endgame,” the Avengers used time travel to gather the Infinity Stones and undo the damage caused by Thanos in “Avengers: Infinity War.” The movie’s focus was on the Avengers’ mission to retrieve the stones and restore the universe to its former state.
It’s possible that Kang could be introduced in future Marvel movies or TV shows that deal with time travel, such as the upcoming “Ant-Man and The Wasp: Quantumania” or the Disney+ series “Loki.” However, there has been no official announcement regarding Kang’s appearance in the MCU.

WARNING: CONTAINS SPOILERS for Ant-Man and the Wasp: Quantumania!Ant-Man and the Wasp: Quantumania Reveals of the Quantum Realm, including Kang the Conqueror being trapped there for years, raises the question of why Ant-Man didn’t find him during Avengers: Endgame then. Since the beginning ant Man The film introduced the Quantum Realm to the Marvel Cinematic Universe, the franchise has frequently revisited the area and expanded what audiences and characters know about it. This included that he plays a huge role in resolving Avengers: Endgameas the Avengers were able to travel through time by stepping into it.
Revealing the possibility of using the Quantum Realm for time travel Avengers: Endgame It only came after Ant-Man had been stuck in there for a long time. Ant-Man and the WaspThe post-credits scene ended with Scott Lang being trapped in the Quantum Realm. This came as a result of Thanos surprisingly dusting off Hope van Dyne, Hank Pym, and Janet van Dyne, making it impossible for them to pull Scott out. Ant-Man has been stuck there for five years in the universe thanks to Avengers: EndgameTime jumps, yet he never finds Kang the Conqueror during this time.
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Ant-Man wasn’t stuck in the Quantum Realm long enough to find Kang

Although it might look like Ant-Man has found Kang in the Quantum Realm in the meantime Avengers: EndgameIt’s important to remember that Scott Lang thought he was trapped for only five hours. Since time works differently in the Quantum Realm, Ant-Man really didn’t have time to find Kang when he was stuck. Ant-Man and the Wasp: Quantumania It was already confirmed that Kang crashed into the Quantum Realm prior to 2015, so it was possible for Scott and Kang to interact years earlier. But the circumstances behind the Quantum Realm’s travels in Ant-Man’s Quantum Realm are also taken into account.
At the top of the limited window to find Ant-Man Kang Avengers: EndgameIt was likely protected from discovery by the conqueror or his allies by Janet van Dyne. She has incredible knowledge of the Quantum Realm thanks to the decades she has spent there. Since Janet was part of the team responsible for sending Ant-Man to obtain the Quantum Particles, she could be sure that he went somewhere Kang couldn’t get to. His location in the Quantum Realm and the limited time he spends there could combine to explain why Ant-Man never found Kang in Avengers: Endgame.
Why did Janet Van Dyne Kang exist in the Quantum Realm?

Janet van Dyne was able to find Kang in the Quantum Realm, because she had been stuck there much longer. She has spent nearly 30 years in the secret universe, giving her plenty of time to explore its depths. Ant-Man and the Wasp: Quantumania Show how many levels there are in the Quantum Realm, with Scott and others surprised to see life forms and intelligent civilizations there. They never got as deep as Janet van Dyne during her time there, which made it very unlikely that they would encounter Kang like she did.
Of course, Janet’s case also helped Kang the Conqueror crash near her home after being banished by the Council of Kangs. You might never have encountered the powerful Kang variant if it had landed somewhere different in the Quantum Realm. It’s still possible that they would have crossed paths later if his exuberant tendencies still made him world domination, since Janet would definitely help thwart Kang’s evil plan before. Avengers: Endgame or Ant-Man and the Wasp: Quantumania.
More: Did Kang die at the end of Ant-Man and the Wasp: Kamomania?