Well, I don't know who you are, mister -- much less why I should listen to you -- but I'll give you one piece of of news and one suggestion... the name is Power Girl: P... O... W... E... R... G... I... R... L -- and the suggestion is that you stay out of my way... 
Showcase #97 is an issue of the series Showcase (Volume 1) with a cover date of February, 1978.
Synopsis for "Power Girl"
Foiling a robbery attempt, Power Girl is inundated by reporters. Fleeing the scene, she refuses to answer reporter Andrew Vinson's questions about her origin and feels that she doesn't fit in on Earth. Leaving Vinson alone, he stumbles upon a powerful artifact that is somehow related to Power Girl's origin, which takes possession of him and leads him to attack Power Girl!
Appearing in "Power Girl"
Featured Characters:
- Power Girl (Flashback and main story) (Origin)
Supporting Characters:
- Andrew Vinson (First appearance)
Antagonists:
- Various robbers
- Rifkin (Single appearance)
- Tom (Single appearance)
Other Characters:
- Gotham City Police Department
- Chief Wilson
- The Commissioner of the GCPD (Mentioned only)
- Harley (Single appearance)
- Kryptonians (Flashback only)
- Allura In-Z (First appearance) (Dies in flashback)
- Kal-L (as an infant) (Flashback only)
- Zor-L (First appearance) (Dies in flashback)
- Mr. Irgang (Single appearance)
- Jor-L (Mentioned only)
- Amtrak (Mentioned only)
- Brainiac (Earth-One) (Mentioned only)
- Justice Society of America (Mentioned only)
Locations:
- Earth-Two
- Gotham City
- Central Electronics
- Gotham Dept. of Public Safety
- Krypton (Flashback only)
- Gotham City
- Earth-One (Mentioned only)
- Krypton of the Earth-One universe (Mentioned only)
- Kandor of the Earth-One universe (Mentioned only)
Items:
Vehicles:
- Kal-L's Rocket
- Power Girl's Symbioship (First appearance)
See Also