This animation is a quasi-perfect connection of Marvel and Disney. Its core story is a superhero one, but its characterization follows typical Disney style: cute, cute and cute. Baymax is a unique role in the robot movie history, which impresses the audience most. You can regard this movie as "the growing of a boy superhero and his cute robot Baymax" without misunderstand the points of this movie.
OK, here are lots of Baymax images:
This is the very real image of Baymax in Marvel cartoons. Scaring and too old-fashioned, huh? Disney tried a lot to convert it to a cute one as below: