Created for the 1997 film Spawn as a gender-swapped adaptation of Chapel, Al Simmons's killer in the comic book, Priest was played by Melinda Clarke in the film,[1] before being adapted to Spawn comics as a separate character from Chapel.

Jessica Priest works as an assassin for Spawn's nemesis Jason Wynn.

[citation needed] Prior to shooting Simmons, she searches South America for a biogenetic weapon for her boss.

[citation needed] She later appears in the Curse of Spawn series where she is revealed to have a husband and two stepchildren.

She later returns in #298 where she is seen talking to Nyx about Al Simmons and the forces of Hell trying to hunt down.