The New Avenger?

The book The New Avenger is about an outcast who's been found by the group and has some kind of backstory and odd relationships with members of the Avengers and other people either from Earth or from somewhere else. The main character is confused about what life is like nowadays but does not like help from others seeing it as a weakness

This is just the beginning of the story there's lots more to come if you enjoy let me know and I will release more.