The mere fact that one of Johnny Cage's moves is, basically, a Groin Attack.
Film[]
In the movie Johnny gets to use his Groin Attack towards Goro, especially since upon impact, the camera cut right to Goro's eyes dilating as he moaned in pain.
Raiden then cheers and slaps another spectator on the back...then sheepishly apologizes. Made even funnier by the fact that the spectator is one of Shang-Tsung's Mooks.
"Those were $500 sunglasses, asshole!"
Less so but still good, Cage leaves an autographed photo after defeating Scorpion as a nod to his Friendship from the games.
"I'm in a hostile environment, I'm completely unprepared, I'm surrounded by people who probably wanna kick my ass... it's like being back in high school!"
"The fate of billions will depend upon you. Heh heh heh heh... sorry."
"Huh. Thank god I didn't ask him to park the car."