I want to find a movie I watched long ago and can't remember it's name

It's an animated movie,it has a boy,he was some sort of fox or lynx,I don't remember properly,he was an orphan,a ship mechanic took care of him,that boy wanted to be a hero,one day a team of superheroes made an ad that one seat in their team is free,that boy goes there and gets selected,and somehow he gets famous and the team leader gets jealous of him,he makes a deal with the villain, please I want this movie