Name: The Mercy Sisters
Alter Ego: Grace and Mary Mercy
Other Names: Switchblade Sisters; Grace Mercy and Mary Mercy
First Appearance: Deadpool (vol. 2) #49 (Feb. 2001): "Cat Magnet"
First Appearance (Additional Details): (in shadows) Deadpool (vol. 2) #49 (Feb. 2001): "Cat Magnet"; (full) Deadpool (vol. 2) #52 (May 2001): "Talk of the Town, Part 1 of 2"
Super? (Has Super Powers/Special Abilities/Technology): Yes
Number of Appearances: 5
Note: serial killers; Catholic school girls
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