He was reading a comic book, and he didn't even look up as they came in.
This isn't a time machine in the comic book use of the term.
He glanced at the tree behind which, he knew, doom sat reading a comic book.
The comic book convention was questioned as to its appropriateness for the tragic theme.
Anger spent, Kowalski probably just wanted to get back to her comic book.
He has written and illustrated a comic book, and spent a great deal of time over a more serious one.