Sure was! Big Hero 6 started as a Marvel comic. The comic's concept and characters were brought to life in various forms, including the well-known animated feature.
The strongest hero in Marvel Comics was a very subjective question because different people might have different meanings of the strongest. But generally speaking, the strongest heroes in Marvel comics were usually those with the strongest strength, skills, and equipment.
Among these heroes, some were known as super warriors. Their strength and skills were so powerful that they could even be compared to gods. For example, heroes such as Iron Man, Captain America, Thor, Hulk, Black Widow, and Spiderman in Marvel Comics all had powerful combat power.
There were also some heroes who had special abilities such as elemental control, time travel, telepathy, and so on. These abilities allowed them to play a huge role in battle.
There are many very powerful heroes in Marvel comics, and everyone's strongest ability is different, so it's difficult to give an exact answer.
Well, first, you need to have a unique set of skills and powers. Maybe you could be a genius inventor or have superhuman strength. Then, you gotta have the heart of a hero, always ready to help others and stand up for justice.