During their fight, the fake Obsidian says, "I'll show you things ... JSA #3 is available now from DC Comics. Your changes have been saved The Justice Society of America is a DC Comics superhero ...

In Tales of the Green Lantern Corps Annual #3's story "In Blackest Night" by Alan Moore and Bill Willingham, Katma Tui is sent to a pitch-black sector of the universe known as the Obsidian Depths ...