Another popular theory more connected to this story is that the highly demanded Sabrina will be the one to finally return to live-action television.
In that case, this comic could be foreshadowing her upcoming appearance in the episode.
The producers of Riverdale have been hyping up the final episode of Season 1 with that bit Archie Comics debut, which could be referring to a number of characters.
It’s that, or the comic serves as her actual “appearance,” which would be disappointing.