Harley Quinn Definitively Proves She's a Hero With One Sacrifice

screenrant.com:

For years, Harley Quinn has worked as the villainess by Joker's side ever since her introduction to DC Comics, but over time, she's finally become a hero in her own right. Harley was a psychiatrist at Arkham Asylum but she was swayed towards the allure of evil by DC's most evil Gotham resident. From then on, she embarked on a path of villainy as Joker's sidekick and romantic partner.

In more recent years, Harley Quinn has left Joker's side and she's fully committed to transitioning into a hero. Of course, given the severity of her past crimes, a redemption arc for Harley Quinn was always going to be easier said than done. After all, this is the same character who spent years either playing as a key accomplice to Joker's murders or committing some cruel deeds of her own. Even as a supposed hero, she's hardly pushed back against her murderous ways and continues to aspire for nefarious schemes every now and again. If anything, she's teetered more so towards being an anti-hero rather than a full-blown hero.

Related: DC's First Harley Quinn Learned Batman's Identity Long Before Joker

But, that all changes in DC vs. Vampires: Killers #1 from Matthew Rosenberg, Mike Bowden, and Eduardo Mello. zin this story, Gotham is in the middle of a vampire apocalypse and Lieutenant Gordon gathers a vial of Lex Luthor's blood (previously established in the series to be an instant vampire killer). Without any other suitable options, he puts it in Harley Quinn's hands. Before he was (presumably) killed off-panel, Gordon asks Harley to take it to someone who will understand it because it's the key to saving humanity. Despite telling Gordon, «that's really really not what I do,» Gordon slips it into her pocket. After convincing herself that