Hora Cero
Hora Cero was an Argentine comics anthology magazine which ran between 1957 and 1963. The magazine was established by Héctor [Germán Oesterheld] and his brother in 1957. The publisher was Editorial Frontera. It was part of the Golden [Age of Argentine Comics]. The most successful of its published series was El Eternauta. The final issue of Hora Cero appeared in 1963.