Please scroll down for information about our Panda Nation Fundraiser. DC DAY IN DC COMICS JOKER SENDS A LETTER TO COMMISSIONER GORDON FOR HIS BIRTHDAY CELEBRATION GASSED WITH JOKER VENOM In ‘Batman’ (1980) #321, Joker sends Commissioner Gordon a letter … Continue reading DC Day: Joker Plans His Birthday Celebration By Gassing The GCPD Precinct With Joker Venom