When a superhero dies, nobody thinks they'll stay dead. When a superhero kills, everybody gets up in arms. When someone close to a superhero bites the bullet, no one knows what to think. A REVOLVING DOOR IN HEAVEN is a series of handy essays about the phenomenon of death (and life) in mainstream American comic books.Blake M. Petit has been writing about comics, movies, and pop culture since 2003. The Obligatory Everything But Imaginary series draws select columns and features from the archives of CXPulp.com and presents them to you in bite-sized chunks.