Because you like Khan Noonien Singh in Star Trek Into Darkness
Ultron is security software turned evil mastermind. See them in Marvel Cinematic Universe.
Part archaeologist, part philosopher, part politician, Jean-Luc Picard is an unashamed intellectual who runs a tight ship. See them in Star Trek: The Next Generation.
Kilgrave is a domineering, abusive boyfriend. Then, add in the power of mind control. See them in Marvel Cinematic Universe.
There's more to this sweet, caring landlady than meets the eye. See them in Sherlock.
Leonard "Bones" McCoy is passionate, moral, and ready to stitch you back together. See them in Star Trek.
Greg Lestrade is gruff, loyal, and quietly competent. See them in Sherlock.
A no-nonsense pro, Agent K has dedicated his whole life to his job. See them in Men in Black.
Cyclops shoots lasers out of his eyes, destroying anything in his line of sight. See them in X-Men Series.
Despite the war-torn world around him, Mal Reynolds still holds onto the shred of hope that life can be more than just living another day. See them in Firefly.
Though he may be blind, Chirrut Imwe sees the power of the force more than most. See them in Rogue One.
Both a noble district attorney and a psychopathic villain, Harvey Dent proves some men really can have it all. See them in DC Extended Universe.
Hank McCoy is a quintessential nerdy scientist but with a few rather unconventional physical attributes. See them in X-Men Series.