Because you like Selina Kyle in Gotham
Brilliant, violent, and only a little insane, the Joker doesn't listen to anyone except the voices in his head. See them in DC Extended Universe.
Basically a giant pillow come to life, Baymax is a medical robot created for the sole purpose of helping people. See them in Big Hero 6.
Her interests include martial arts, interrogation, and hacking. Natasha Romanoff is the ultimate spy. See them in Marvel Cinematic Universe.
Boomerang is equally skilled at tossing boomerangs and tossing back beers. See them in DC Extended Universe.
Dante Alighieri is a crusader fighting his way to absolution. See them in Dante's Inferno.
A superpowered test subject, Scarlet Witch can manipulate other people's thoughts and force them to confront their worst fears. See them in Marvel Cinematic Universe.
Ash Williams is a houseware clerk at S-Mart and the Chosen One. See them in The Evil Dead.
Edward Kenway can be reckless and greedy, but he's learning that his ancient ancestry carries a noble burden. See them in Assassin's Creed Series.