Who is Marvel's Most Advanced Artificial Intelligence?

Whether or not it is the most advanced remains to be seen Ultron is certainly one of the most formidable AI characters from Marvel. Developed in the comics by Hank Pym, Ultron quickly evolved beyond what its creator envisioned and rebelled. He became one of the Avengers' greatest enemies. Ultron is usually in the shape of a humanoid robot with skills like super power, increased speed, durability, flight, and energy projection. Ultron can also create and control other robot bodies using what's called hive-mind technology, essentially forming an army of Ultrons. in the Avengers Vol. 3 # 19Ultron uses his army to conquer an entire city.