Coldheart

Coldheart is a fictional comic book supervillainess in the Marvel Comics universe. The ice-powered, sword-using female was created by Howard Mackie and Tom Lyle. Unseen for years, she presumably died during the start of Civil War. Kateri Deseronto was once a government agent with the codename Coldheart. After her son's death during a battle between the Hobgoblin and Spider-Man, she was deemed mentally unfit for field duty. Her clearance was revoked and she was forcibly retired (Spider-Man Official Handbook of the Marvel Universe/Spider-Man:Back In Black, 2007). She first appeared in Spider-Man #49 (August, 1994). Breaking into the government agency she worked for, Coldheart steals her costume, then fights her way out. Later, she waits...