Because you like Jennifer in Pleasantville

The fearless bodyguard of Rick Flag, Katana will ruthlessly kill her enemies, trapping their souls in her sword. See them in DC Extended Universe.

Marv is a brutish but principled thug who'd be right at home on an ancient battlefield. See them in Sin City.

No one has seen The Mandalorian without his helmet since he swore the creed. See them in The Mandalorian.

A brave "Young Wolf," Robb Stark has never lost a battle. See them in Game of Thrones.

A jealous woman is dangerous. A jealous assassin woman like Elle Driver is even more so. See them in Kill Bill vol. 1.

Born and raised in the darkness, Bane is determined to have the city totally under his control so that he can demolish it. See them in DC Extended Universe.

Wanderer is a Soul, a parasite sent into a host to take over their body, extracting information from them and colonizing their species. See them in The Host.

Hank McCoy is a quintessential nerdy scientist but with a few rather unconventional physical attributes. See them in X-Men Series.

They say they saved Adam Jensen by turning him into a cyborg, but he's not sure saved is the right word. See them in Deus Ex Series.

Ultron is security software turned evil mastermind. See them in Marvel Cinematic Universe.