Hiro, a robotics prodigy, joins hands with Baymax in order to avenge his brother's death. They then team up with Hiro's friends to form a team of high-tech heroes.
There are roughly one-sh*t billion tropes so PLEASE look through them before adding one. Otherwise add what you like. ADDITION: PLEASE read through the trope description provided before submitting something. It's not a huge deal but too often people submit characters that don't fit just because they misinterpreted the title...