Arkham Harley Quinn passive is great when your low in health and she has her number 2 special available she can boost your health or she can throw dynamite at your opponent. She not overpowering but team her up with Arkham Origin Batman and new 52 Nightwing they can do some damage...

saved up my pocket money to buy this and IM SO HAPPYY YAYYY

I got her and paired her with croc AND THEY DOMINATE

ARKHAM HARLEY QUINN