No.
Superior was a Canadian company that published horror titles like Strange Mysteries, Mysteries Weird & Strange and Journey into Fear.
Northford
I have a lot of Superior editions of different genres,will buy any I see if I can scrape up the dough.I was thinking of Weird Adventures by P.L. Publishing Co.
I have issue three somewhere,scan as soon as I can dig it up.
off topic,I have a Captain Easy with a Schomburg cover by Superior.
All my Canadian EC's,pre horror are Superior as well.
Beautiful book there,the green is so lush and solid!