With limited superheroes left to defend this universe, we need to look for new solutions... 
- — Luke Fox
Harley Quinn (Volume 4) #18 is an issue of the series Harley Quinn (Volume 4) with a cover date of October, 2022. It was published on August 2, 2022.
Synopsis for "Task Force XX"
Appearing in "Task Force XX"
Featured Characters:
- Harley Quinn (Joins Task Force XX)
Supporting Characters:
- Luke Fox
- Task Force XX (First full appearance)
- Bronze Tiger
- Dreadbolt (Terry Bolatinsky)
- Killer Frost (Caitlin Snow)
- Lashina
- Solomon Grundy (Joins team)
- The Verdict
- Task Force XX (First full appearance)
Antagonists:
Other Characters:
- Batman (Bruce Wayne) (Mentioned only)
- Bolt (Larry Bolatinsky) (Mentioned only)
- Deathstroke (Slade Wilson) (Mentioned only)
- Female Furies (Mentioned only)
- Justice League (Mentioned only)
- Suicide Squad (Mentioned only)
- Titans (Mentioned only)
- United States Government (Mentioned only)
Locations:
- Multiverse
- Earth 0
- Earth
- Justice League Watchtower (On a TV or computer screen)
- The Moon (On a TV or computer screen)
- Sphere of the Gods
- Apokolips (Mentioned only)
- Earth 0
- Dark Multiverse (Mentioned only)
Items:
- Batwing Suit (Mentioned only)
- Element X (Mentioned only)
- Harley's Mallet
Vehicles:
- Task Force XX's Spaceship
Concepts:
- Dark Crisis (Mentioned only)
- Time Travel (Mentioned only)
Notes
- The story takes place during the Dark Crisis event.
- Harley Quinn recalls being a member of the Jon Kent's Justice League alongside Killer Frost, during the events of Dark Crisis #1.
- Luke Fox mentions that the Justice League has already returned to Earth and all the superheroes are fighting Deathstroke which implies that this issue is set during the events of Dark Crisis on Infinite Earths #7.
Trivia
- Luke Fox mentions his base being "bigger on the inside". This is a reference to the Tardis from Doctor Who.
See Also
Recommended Reading
Links and References
Look at how sad this is making Batman. You did this.