Power Girl

Power Girl made her explosive debut in All-Star Comics #58 (1976), a landmark issue that every serious DC collector should have on their radar. Introduced as the Earth-Two counterpart to Supergirl, Kara Zor-L brought a bold, no-nonsense attitude that immediately set her apart from her more famous cousin. She wasn't a sidekick or a supporting character — she arrived ready to stand shoulder-to-shoulder with the Justice Society of America as a fully realized powerhouse. That first appearance is a genuine key issue, and copies in high grade continue to climb in value as her fanbase grows.

Over the decades, Power Girl has been at the center of some of DC's most ambitious storytelling. Her complex post-Crisis identity crisis — where writers struggled to reconcile her origins after the Multiverse was collapsed — became one of the more fascinating character struggles in comics history, explored memorably through her Justice League Europe tenure and her deep ties to the JSA. The celebrated Amanda Conner and Jimmy Palmiotti run on her solo series (2009-2010) is widely regarded as one of the most fun and character-defining runs DC published in that era, blending superhero action with sharp humor and genuine heart. Those issues are perennial fan favorites and smart additions to any collection.

As Karen Starr, she also carved out a unique niche as a self-made tech billionaire running Starrware Labs, giving her a dual identity that felt genuinely earned rather than contrived. Her leadership roles across teams like the JSA All-Stars and Justice League Europe showcase her range as both a heavy-hitter and a tactician. With a power set rivaling Superman himself — flight, heat vision, invulnerability, super strength, and more — she is one of DC's most formidable characters, and her books reflect that legacy.

For collectors, Power Girl represents exceptional long-term value. Her key issues span multiple eras, from that 1976 debut through Bronze Age JSA appearances, her Justice League Europe spotlight issues, and the critically acclaimed modern solo run. As DC continues to spotlight legacy characters and the Multiverse concept surges back into prominence, Kara Zor-L's back catalog only becomes more relevant. Whether you are hunting raw copies or chasing slabbed 9.8s, building a Power Girl collection is one of the most rewarding pursuits in DC back issues.