Armageddon Wore a Pink Dress

From publisher blurb:

Trouble is brewing in Major City. Someone has taken an interest in sewing mayhem and destruction, that much is for sure - but the real question is why? Is this a sinister force bent on world conquest or just some super-powered prankster who gets a kick out of knocking holes in buildings and setting fire to entire blocks? There's only one way for a group of Super-Types to find out the truth, and that's to jump into their tights and start sleuthing. Before they're done they'll uncover government secrets, mistaken identities, mysterious clues and perhaps the most earthshaking foe of all... the Little Girl!