Fatale first appeared in uniform in X-Factor (1st series) #112. Her ruse as "Pamela Greenwood" was revealed in X-Men (2nd series) #49. It has never been clarified which of her abilities are natural and which were cultivated by McCoy's genetic engineering, if any. Powerloss confirmed in New Avengers (1st series) #18. Her powers were restored in X-Factor (3rd series) #20 by Quicksilver, but she fled into the Brimstone Dimension when her abilities began to destabilize. She eventually returned in All-New X-Factor #1-2.