User blog comment:Nelmamoohead/NEW ARKHAM GAME- Batman: Arkham Knight/@comment-79.97.194.168-20140309184112

I know he must have got killed by penguin but some people would want to see him in Arkham knight so Rocksteady could pretend he survived as it said in the arkham city story that ratcatchers whereabouts are unknown so maybe he must have survived but unseen in the museum