HADOUKEN!
You blast a fireball from your palms, roasting your opponent in a dramatic finish. He flies backwards, wreathed in flames, and lies lifeless.
'K.O.' booms a deep disembodied voice. You have only long enough to strike a pose and say a quite tagline before you're prompted to enter a fighting stance again.
'BONUS,' the voice roars again, and you turn to see...a car? That doesn't seem like a terribly fierce challenger, but oh well... Either way, you'd better hurry, because there also appears to be a timer: 20, 19, 18...