O.K., back to comics.   A month ago, I posted a Silver-Age quiz on DC comics.  From the activity on comics-based trivia thread and my own Comic-Book Jeopardy! threads that we had back on the old site, I expected to see more participation. A lot of you fellows are pretty sharp and, as a whole, almost impossible to stump.  But only Luke Blanchard chimed in with a set of answers, and Philip Portelli…