Disambiguation: Helmut Zemo
First published in: 1997
Helmut Zemo first appeared as The Phoenix in Captain America (Marvel, 1968 series) #168 (December 1973). He took over his father's Baron Zemo mantle in Captain America (Marvel, 1968 Series) #275 (November 1982). He first appeared as Citizin V in The Incredible Hulk (Marvel, 1968 series) #449 (January 1997).