- Let's get crazy!
- — Harley Quinn src
Harley assists the Joker in preparing the nuclear device meant to destroy Metropolis. When Batman teleports down to them, Joker asks her to go back to the van so that he and Batman can talk. When she objects, he slaps Harley, calling her a third wheel.
- Pie Bomb
- Dual Snub-Nozed Pistols
- Harley Quinn was voiced by Tara Strong.
- 6 Appearances of Harleen Quinzel (Injustice: Earth One)
- 7 Images featuring Harleen Quinzel (Injustice: Earth One)
- 1 Quotations by or about Harleen Quinzel (Injustice: Earth One)
- Character Gallery: Harleen Quinzel (Injustice: Earth One)
Suicide Squad member
This character is or was primarily an enemy of the Justice League, in any of its various incarnations. This template will categorize articles that include it into the category "Justice League Villains."