Because you like Marion Ravenwood in Raiders of the Lost Ark

With an A.I. as loyal and witty as Cortana, who needs humans? See them in Halo.

Roger is a pansexual alcoholic non-human who will happily lie, cheat and steal to get what he wants. See them in American Dad!.

A fearless scientist, Jane won't let a mere shipwreck stop her. See them in Tarzan.

Aragorn is the one true king, a title he is too humble to accept. See them in The Lord of the Rings.

A free-spirited artist, Marjane Satrapi is living under the shadow of an oppressive society. See them in Persepolis.

A daring hacker, Trinity is one of the few rebels who escaped the Matrix, a simulation in which most of humanity is enslaved. See them in The Matrix.

Deadpool thinks life is an endless series of train wrecks with only brief commercial-like breaks of happiness. See them in Deadpool.

Running away from murderous aliens has turned into an interstellar chase for Jupiter Jones. See them in Jupiter Ascending.

Sylar's victims are found all over the country, many with their brains removed. See them in Heroes.

Introspective Theodore Twombly would rather observe life than participate in it. See them in Her.

Oscar Jarjayes is a sword-swinging, fearless Commander of the Royal Guard who cross-dresses as a man. See them in Rose of Versailles.

Whether it's punching a meteor or saving a teen from jumping, Superman tries to be in as many places as Kryptonianly possible. See them in DC Extended Universe.