Power Girl has joined the fight in DCU Online! (link)
More PG (the character, not the rating) pics after the break.
Author: Andres
Adventure Comics #308 May 1963
Did you say *lovely*?
Batman: The Brave and the Bold “Inside the Outsiders!” ( Season 1, Episode 25 )
Action Comics #267 August 1960
Don’t complain, this issue has Supergirl and the Legion!
How did three super-powered teens figure out Supergirl’s secret identity?
Then you’re about to be humbled by the Hammers of Justice!
Batman: The Brave and the Bold “Duel of the Double Crossers!” ( Season 1, Episode 21 )