User blog comment:Tommy,Klaus&Kol2012+/Will Mephistopheles appear on Supernatural?/@comment-3481504-20120710015213/@comment-3481504-20120710203059

Well, he could. The Big Daddy God could bring him back, but God's not going to bring back a demon. Death could, but he wouldn't waste his time on something so fickle. Archangel Lucifer could, but he hates demons.