Dates
- Cover date
- June 2019
- In stores
- April 10, 2019
- Pages
- 36
Values
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Editions and covers (9)
Copies of #4 are not all the same book. Here is how to tell each one apart.
- Unknown Comics Mico Suayan Minimal Trade Dress Black and White Cover
Barcode 76194135971700461
This edition’s page - Frankie's Comics Jeehyung Lee Minimal Trade Dress Cover
Barcode 76194135971700441
This edition’s page 
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Creators
Publisher’s description
Batman is on a desperate hunt through Gotham City, tracking down the dark version of himself known as the Grim Knight. But the serum Batman’s been self-administering has started to transform his mind, making him into something much darker...something amoral…something like the Batman Who Laughs—and he’s starting to lose his grip on reality. Toeing the line between vengeance and justice, Batman must struggle to keep his moral code as the Grim Knight gains control of the Batcave, sending all of his vehicles and weapons on a collision course with Gotham City. The Grim Knight, the Batman Who Laughs, even allies like Jim Gordon and his son force Batman to pull the trigger…and activate the Last Laugh. Will Batman be the savior of Gotham City once more? Or is he the kill shot?
Reprinted in
The Batman Who Laughs (2019), The Batman Who Laughs (2021), The Batman Who Laughs: The Deluxe Edition (2023)