¿como es de otra forma?
Mira, te paso las fatalitys de MK (Arcade), estan en ingles...cualquier duda, avisame.

* Fatalities: To perform a Fatality, you must win the match, then do the proper joystick/button sequence when "Finish Him!" appears...

JOHNNY CAGE: (close) Forward(x3), HP - Cage decapitates his opponent with an uppercut.
KANO: (close) Back, Down, Forward, LP - Kano rips out his opponent's heart.
SUB-ZERO: (close) Forward, Down, Forward, HP - Sub-Zero grabs his opponent by the neck and pulls their head off, taking their spine along with the head.
SONYA BLADE: (anywhere) Forward(x2), Back(x2), Block - Sonya blows an energy ball in the air. The ball hits her opponent and engulfs them in flames, turning the opponent into a skeleton.
RAIDEN: (close) Forward, Back(x2), HP - Raiden shoots lightening into his opponent's head, causing it to explode.
LIU KANG: (close) hold Block, 270° (Forward, Down, Back, Up) - Liu Kang does a spinning kick and an uppercut.
SCORPION: (jump distance) hold Block, Up(x2), release Block - Scorpion removes his mask to reveal a skull. He then breathes fire on his opponent, turning him into a skeleton.