Because you like Christopher McCandless in Into The Wild
Miles Morales was bitten by a radioactive spider, put on the webbed spandex, and beat up his first bad guy before his voice changed. See them in Marvel Cinematic Universe.
Optimus Prime is a shapeshifting sentient robot leading a team of robots to stop evil from taking over. See them in Transformers.
A caring, curious, and considerate android, Vision could crush your skull if he had to. But he'd rather not. See them in Marvel Cinematic Universe.
As a monster-hunter cursed with supernatural abilities, Geralt of Rivia is a cynic burdened by scruples in an unscrupulous world. See them in The Witcher.
Clementine Kruczynski thinks that too many guys think she's a concept, or she completes them, or she's gonna make them alive. See them in Eternal Sunshine of the Spotless Mind.
An aristocrat-turned-tomb-raider, Lara Croft does her best thinking while plunging off cliffs. See them in Lara Croft: Tomb Raider.
If there's any hope of resolving things peacefully, this proud ape leader will have to trust the humans. See them in Dawn of the Planet of the Apes.
In love with a daughter of his family's sworn enemies, Romeo Montague must find a way to reconcile his conflicting desires. See them in Romeo & Juliet.
V is a violent anarchist with literally nothing left to lose. But, he might have a point. See them in V for Vendetta.
Light Yagami has a plan to make a better world, and morals won't stop him. See them in Death Note.
Joel is a hardened, jaded survivor who keeps finding things to fight for. See them in The Last of Us.