The Joker is considered one of DC's most dangerous villains, despite having a self-confessed weakness that can easily be used against him. Sadly for Gotham City, it requires skills that the Bat-Family just don't possess.
In DC lore, England is a strange place for heroes and villains. While costumed villains in America are constantly threatening life on Earth, over the pond, villains are treated more as a quirky nuisance rather than dangerous menaces. This changes when Joker arrives in London. The Clown Prince of Crime feels offended by his British impersonator Jarvis Poker — who is on a final crime spree after learning of a life-threatening illness — and seeks to do what he does best by spreading mayhem and Joker-style murder.
Related: Batman Beyond Turns the Joker Into Bruce Wayne's Greatest Ally
In Knight and Squire #6 by Paul Cornell and Jimmy Broxton, the Joker kidnaps Jarvis and takes him along on a twisted killing spree. However, Jarvis is able to work with Batman allies Knight and Squire to convince Joker that the country's heroes are protected by a magic totem. Joker is enraged, arguing that magic is the opposite of humor. As he puts it, «I'm not comfortable with magic! It blows punchlines! It reverses the logic of comedy!» This threatens Joker so much that he can't help but try to do something about it. In an effort to destroy the totem, the Joker is led to a pub where it's supposedly located. Unfortunately for him, while there's no grand totem, the pub does possess a special kind of magic — a truce spell that prevents violence, allowing it to act as a meeting place for heroes and villains.
Given Joker's aversion to magic, fans might consider it strange that Batman doesn't have any immediate allies in his
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