Panel Two: The Phantom Knight returns -- he's Doc Saphire's husband, who was murdered by the demon Decade. For some reason, his ghost is now working for the bad guys. Jerk.

Panel Three: Remember our cuddly pal, Chula the spider-demon from Larry Johnson's TALES OF FANTASY? Well, don't worry about it, he's not staying long.

Panel Five: And that's pretty much it for Chula.
Previously, the heroes were told that mechanical devices did not work in the spirit realm of Rha-Sha-Shama. But it seems there are exceptions. Cassiopeia's line is a bit of foreshadowing for Lady Spectra's origin story, which I swear is coming up soon...