From DCU Guide
| Unofficial Harley Quinn Vol. 4 Title Index |
HARLEY QUINN VOL. 4
2021 -
| < PREVIOUS VOLUME |
Series type: Ongoing Series
Began publication: May 2021
Ongoing Series
| Harley Quinn Vol. 4 #1 (May 2021): "Welcome Home!" |
| Harley Quinn Vol. 4 #2 (June 2021): "Strange Times" |
| Harley Quinn Vol. 4 #3 (July 2021): "No Good Deed, Part 1" |
| Harley Quinn Vol. 4 #4 (August 2021): "No Good Deed, Part 2" |
| Harley Quinn Vol. 4 #5 (September 2021): "No Good Deed, Part 2" |
| Harley Quinn Vol. 4 #6 (October 2021): "Cat & Quinn" |
| Harley Quinn Vol. 4 #7 (November 2021): "Fear State, Part 1" |
| Harley Quinn Vol. 4 #8 (December 2021): "Fear State, Part 2" |
| Harley Quinn Vol. 4 #9 (January 2022): "Fear State, Part 3" |
| Harley Quinn Vol. 4 #10 (February 2022): "Thorns" |
| Harley Quinn Vol. 4 #11 (March 2022): "Bad Math, Part 1" |
| Harley Quinn Vol. 4 #12 (April 2022): "Bad Math, Part 2" |
| Harley Quinn Vol. 4 #13 (May 2022): "The Verdict, Part 1" |
| Harley Quinn Vol. 4 #14 (June 2022): "The Verdict, Part 2" |
| Harley Quinn Vol. 4 #15 (July 2022): "The Verdict, Part 3" |
| Harley Quinn Vol. 4 #16 (August 2022): "The Verdict, Part 4" |
| Harley Quinn Vol. 4 #17 (September 2022): "The Verdict, Part 5" |
| Harley Quinn Vol. 4 #18 (October 2022): "Task Force XX" |
| Harley Quinn Vol. 4 #19 (October 2022): "Task Force XX, Chapter 2" |
| Harley Quinn Vol. 4 #20 (October 2022): "Task Force XX, Chapter 3" |
| Harley Quinn Vol. 4 #21 (October 2022): "Task Force XX, Chapter 4" |
Annuals |
| Harley Quinn 2021 Annual #1 (October 2021): "This Shadow That Hangs" |
| Harley Quinn 2022 Annual #1 (October 2022): "Task Force XX, Chapter 5" |
| Harley Quinn 2022 Annual #1/2 (October 2022): "What Happens in Vegas..." |