Batman #13: Knock, Knock; Tease

Quick answer

Batman #13: Knock, Knock; Tease is cataloged as part of the Death of the Family reading path, giving readers a specific checkpoint in that storyline rather than a generic issue listing. Gotham Vault connects it to Alfred Pennyworth, Batgirl (Barbara Gordon), Batman, Robin (Damian Wayne), Batman, and the broader 2012-12-31 Batman publication timeline.

Issue summary

The Joker returns in “DEATH OF THE FAMILY”! He crippled Batgirl. He killed Robin. What will The Joker do now that he’s returned to Gotham City? What must Batman do to protect his secret identity and that of those who fight alongside him? Joker gets manages to get his face back and plots to kill Mayor Hady at midnight. However, instead if killing him, he kills his men. Batman asks Alfred how they died and besides naming the necessary toxins for the poison, Pennyworth also tells Bruce that three non-essential components were added. They are A spirin, C hlorine and E thane. Got it? If you did not, read the first letter of each word. Yep... it is all going to back to where it started: Ace Chemicals. When Batman gets there, he finds Harley Quinn in a red hood suit. He gets hit by a giant hammer and is locked up in a vault that is filling with water. Meanwhile, Joker is at the wayne manor, about to beat Alfred to death.

Characters listed for this issue

Alfred PennyworthThe man who raised Batman. Ex-SAS, current butler, permanent father figure. The only one who…VIEW APPEARANCES ›

Batgirl (Barbara Gordon)The first and greatest Batgirl. The Joker took her legs but not her spirit — she became Orac…VIEW APPEARANCES ›

B

BatmanOpen this Gotham Vault character file to see linked appearances, story arcs, and related com…VIEW APPEARANCES ›

Robin (Damian Wayne)Bruce Wayne's son with Talia al Ghul. Raised by assassins. Arrogant, deadly, desperate to pr…VIEW APPEARANCES ›

Nightwing (Dick Grayson)The first Robin, all grown up. Acrobat, detective, leader. The best of Batman without the da…VIEW APPEARANCES ›

D

DollmakerOpen this Gotham Vault character file to see linked appearances, story arcs, and related com…VIEW APPEARANCES ›

Harley Quinn (Harleen Quinzel)Dr. Harleen Quinzel was a promising psychiatrist until the Joker twisted her mind. Now final…VIEW APPEARANCES ›

Harvey BullockGotham detective who looks like a slob but gets results. Loyal to Gordon, suspicious of Batm…VIEW APPEARANCES ›

Commissioner Gordon (James Gordon)The one good cop in a corrupt city. Keeps the GCPD running and the Bat-Signal lit. Never los…VIEW APPEARANCES ›

The JokerThe Clown Prince of Crime. Gotham's chaos agent. No one knows his real story, and that's the…VIEW APPEARANCES ›

M

Mayor HadyOpen this Gotham Vault character file to see linked appearances, story arcs, and related com…VIEW APPEARANCES ›

O

Officer DanielsOpen this Gotham Vault character file to see linked appearances, story arcs, and related com…VIEW APPEARANCES ›

Robin (Tim Drake)The third Robin, the detective. Figured out Batman's identity on his own. Always thinking th…VIEW APPEARANCES ›