JSA: Classified #3

Im dying to know Power Girl origins,, finally in issue 4 we will....

Now i dont really know Psycho Pirate,, looked him up,, ,,powers to control emotion,, makes sense, on how Power girl has been flipping out in some areas,,, espeically torwards the end, where all the villians, or characters from the different earths came at her,, superboy made an apperence which i liked,, since im reading Crisis on infinte earths now.........So we see where it leads,,,, the Superman, Supergirl, Power Girl connection...