Baroness is a Cobra operative in the original G.I. Joe: A Real American Hero line. First released as a Hasbro carded action figure in 1984, with 1 distinct figure version produced across the 1982 to 1994 ARAH run.
Baroness appears in 13 episode synopses across the Sunbow (1983 to 1987) and DiC (1989 to 1992) runs, first appearing in Sunbow's "The M.A.S.S. Device, Part 1: The Cobra Strikes" (1983). Full screencap and continuity review pending.