Jim Gordon was warned, to "head back to the light while you still can," but his quest to apprehend The Joker is taking him deeper into darkness. Could The Joker actually be innocent of the attack on Arkham Asylum?

Punchline Back-Up: It’s a jailbreak as Bluebird must escape from Blackgate before Punchline and her gang can murder her!

Author/Artist: James Tynion IV / Sam Johns / Guillem March / Sweeney Boo
Publisher: DC Comics
Pages: 40pp
Size: 7 x 10
Notes: saddle-stitched, full color
Release Date: October 12, 2021