Jade: Does a pole dance with her staff with music (a remix of the Mortal Kombat movie theme), confetti, and disco lights are all on the background.
D'Vorah: Pulls out a big bug from her abdomen, holds it in her arms, and kisses it like a baby.
Raiden: A big doll of himself falls from the sky and he holds it to show the audience. (Kidd Thunder reference.)
Kollector: Money falls from the sky and he lays down on it like it's his bed while tossing some of it up in the air.
The Joker: Makes a puppet show holding and showing a puppet of himself to the audience.
The Terminator: He does some tricks with his... I mean Johnny Cage's motorcycle.
Shang Tsung: He transforms into a female belly dancer that holds a snake (wrapped around his/her shoulders) and dances around with it. (Britney Spears' "I'm A Slave 4 U" VMA performance reference.)
Nightwolf: Makes a campfire and roasts marshmallows on it before eating the treats.
Spawn: A table with a stack of "Spawn" comic books fall from the sky. Then he sells them.
Noob Saibot: He and is shadow dance around the opponent (who is embarrassed) like go go dancers.
Sub-Zero: An ice cream truck falls from the sky and he sells ice cream.
Scorpion: BBQ equipment fall from the sky and he cooks.
Baraka: He calls his Tarkatan hordes (who bring corpses of dead humans) and they feast on the bodies like a party.
Skarlet: Pulls out a wine glass, pours blood in it using blood magic, gives a toast to the audience while saying "cheers":, and then drinks the blood.
Now: Friendships for other characters...
Kronika: Makes children versions of Cetrion and Shinnok and also makes a random half naked hunk as her husband using her magic. Then the family hug each other and looks at the audience while posing as if someone is taking pictures of them.
Sareena: She calls by whistling at Kia and Jataaka (who bring over a huge bed). Then the 3 ladies giggle and jump on the bed while having a pillow fight.
Mileena: Shows off a teddy bear to the audience.
Tanya: Dances around by twerking and doing splits with hip hop music in the background.
Li Mei: Does a kata performance.