In the Marvel Cinematic Universe (MCU), Tony Stark, also known as Iron Man, is portrayed as a genius inventor and engineer. While his exact IQ is not explicitly stated in the films or comics, there have been various estimates and discussions among fans and experts.

Some estimates have placed Tony Stark’s IQ at around 270, which would make him one of the smartest people in the world. However, it is important to note that IQ scores are not universally recognized as an accurate measure of intelligence, and there is no clear way to quantify Tony Stark’s intelligence.
In the comics, Tony Stark is described as having a “super-genius intellect,” with an aptitude for engineering, physics, and computer science. He is known for inventing advanced technologies, such as the Iron Man suit, and for his ability to quickly solve complex problems.
In the films, Tony Stark is portrayed as a highly intelligent and creative individual, with a knack for invention and innovation. He is shown building and refining the Iron Man suit, as well as developing other advanced technologies such as the Arc Reactor and the Avengers Tower.
In one scene in the first Iron Man film, Tony Stark takes a standardized intelligence test, scoring a 95th percentile on pattern recognition, a 98th percentile on spatial reasoning, and a 99.9th percentile on mechanical engineering. While this test does not provide a definitive IQ score, it does suggest that Tony Stark is highly intelligent and skilled in certain areas.
It is worth noting that while Tony Stark is portrayed as a genius inventor, he also has his flaws and weaknesses. He struggles with addiction, PTSD, and various personal issues throughout the films, and his intelligence alone does not guarantee success or happiness.
In summary, while the exact IQ of Tony Stark is not explicitly stated, he is portrayed as a highly intelligent and creative individual in the comics and films. He is known for his aptitude in engineering, physics, and computer science, and for his ability to solve complex problems and invent advanced technologies. However, his intelligence alone does not define him, and he also has his flaws and weaknesses as a character.