ok ok ok so. 

1) anticlimactic. mostly because i think it would be funny. no giveaway that she's trick.
2) she just turns and decks him.
3) stops, turns back, does her icy thing.
4) stops, turns back, does a confused/surprised thing.
5) a supervillain just friggin crashes into the bar. surprise bitches.

and whatever else you can think of lol