Marvel Comics features a spectacular roster of world-famous characters. But it has never been particularly known for its sidekicks. Heroes like Spider-Man, Captain America, Black Panther, and Captain Marvel shatter box office records and continue to sell monumental comic book runs. But sidekicks like Hawkeye, Ms. Marvel, and Stature speak to a larger problem with Marvel's current partnership dynamics of its characters.
Source:https://www.cbr.com/marvel-comics-new-original-sidekicks-vs-popular-heroes-copies/