Big Daddy is burnt to death.
Kick Ass shoots the mob boss with a bazooka, sending him clear across the sky only to explode into another building.
Kick Ass uses the jetpack with machine guns to rescue HitGirl where her name is revealed to be 'Mindy'.
Red Mist survives and takes over his father's business. Final line of the movie:
Red Mist: "As a great man once said 'Wait til they get a load of me!' before putting on better, more elaborate mask".