In 1988, John Constantine got his own comic.
Hellblazer ( also known as John Constantine , Hellblazer ) is an American contemporary horror comic book series , originally published by DC Comics , and subsequently by the Vertigo imprint since March 1993 when the imprint was introduced . John Constantine . Originally a supporting character who played a pivotal role in the `` American Gothic '' Swamp Thing storyline , Constantine received his own comic in 1988 .