screenrant.com -BY LIAM MCGUIRE -Batman: One Bad Day - Riddler just ended in a shocking manner, as the Dark Knight might have broken his no-kill rule in an open-ended final scene
www.cbr.com- BY JALEEL LEE -DC Comics has experimented with various forms of fan service to attract readers. Sometimes it worked as intended but fan service can backfire badly.
www.cbr.com -BY AMAN SINGH -A shift in the market during the 1970s cut short the DC Explosion and triggered the brutal DC Implosion, greatly reducing the company's comic line.