She first appeared in Star Spangled War Stories #84 (August 1959), and was created by Robert Kanigher and Jerry Grandenetti.
The original Mademoiselle Marie was introduced in Star Spangled War Stories #84, created by Robert Kanigher and Jerry Grandenetti.
Relatively little has been revealed of Tautin's background as yet, save that she was the only Knight candidate able to pass Checkmate's admission tests by displaying sufficient cold-bloodedness.
Another flashback reveals that there were a number of Madmoiselle Maries during World War II, one of whom (Sabine Roth) later trained Josephine Tautin.
She shows her cool efficiency and ruthlessness as a killer, poisoning a contact that tries to betray her by dosing him with a neurotoxin, then destroying the antidote after extorting the required information.