MacQuarrie posted an analysis of the "Shabbos dinner" scene in the recent Action Comics #835. You can read it at http://comicfacts.blogspot.com/2006/01/guess-whos-coming-to-shabbos-dinner.html.

While reading comments to the post, I learned about 2 other blog posts related to "Jews and superheroes" :

Who is a Jew - Kryptonian version



http://llennhoff.livejournal.com/3766.html

It's a bird! It's a plane! It's a Shailah!

http://llennhoff.livejournal.com/3485.html