Created by writer Jay Faerber and artist Fran Bueno, Widowmaker first appeared in Noble Causes #18 (March 2006), in which she was hired to assassinate Captain Dynamo, which she did with poison. She then took a job from Hunter Blackthorne to attack Race and Liz Noble, only to be double-crossed by the Blackthornes.
Writer Jay Faerber and artist Fran Bueno created Widowmaker, who first appeared in Noble Causes #18 (March 2006). In this issue, she was hired to assassinate Captain Dynamo with poison. Later, she took a job from Hunter Blackthorne to attack Race and Liz Noble but was betrayed by the Blackthornes.