Melissa Shield (メリッサ・シールド Merissa Shīrudo?) is one of the main characters in My Hero Academia: Two Heroes. She is a third-year student at I-Island Academy and the daughter of Professor David Shield.
Vote which fictional character would naturally fit in-universe with a big-named franchise! No time-travel, no interdimensional crap, no "Pooh's Adventures", they would just exist in-universe.