X-men member Sunfire and X-men villain Silver Samurai were originally part of the line up.
This is the Line up most casual fans are more familiar with.
Baymax is also not as cute in the comics version, he have a more reptilian appearance compared to the Disney version.
Fans are more familiar of this white cuddly Balloon version of Baymax. I can see the MCU version going for this one because of a more mainstream recognition.
Big Hero 6 , Most fans associate it with Disney. They have no idea...