Chloe was reading the comic to her son that reveals too much informtion because it was designed to be a framing device for the episode. I assume that in the Smallville DCU the comic book Superman goes by a fictional name other than Clark Kent.
Until last night I've never seen an episode of Smallville
. I took the framing device as a bit St. Elsewhere's
and a bit Alan Moore's "This is an imaginary story... aren't they all?" from "Whatever Happened to the Man of Tomorrow?"