This book was published in October/November 1950 - February/March 1955 . It falls in parody of sword and sorcery (early issues) category . The main characters of this book are Alexander Luthor Jr.,Psycho-Pirate,Superman (Kal-El),Monitor,Flash (Barry Allen),Anti-Monitor,Holly Robinson,Pariah,Superboy-Prime,Harbinger . Fortnightly an issue of this book was published . The book was written by Bill Mantlo . It is a Miniseries . The no. of issues of the book is 5 . The book namedCrisis on Infinite Earths was published by EC Comics
Jason Todd was a main character in Crisis on Infinite Earths