Jason King (TV series) the X-Men comics, the character of Jason Wyngarde (aka Mastermind) was partially inspired by Jason King and Peter Wyngarde. Mastermind had first appeared in the 1960s, but took on the appearance and identity of Jason Wyngarde in the build-up to the X-Men's first confrontation with the Hellfire Club in the late 1970s. Wyngarde had played the leader of another Hellfire club in "A Touch of Brimstone", an episode of the popular TV series "The Avengers", in which Diana Rigg appeared in a leather costume that Jean Grey adopted as the Hellfire Club's Black Queen. He is also one of the
1970s in television a number of Emmys during its four-year run. Spelling's success would continue well into the 1990s. 1970s in television The decade of the 1970s saw significant changes in television programming in both the United Kingdom and the United States. The trends included the decline of the "family sitcoms" and rural-oriented programs to more socially contemporary shows and "young, hip and urban" sitcoms in the United States and the permanent establishment of colour television in the United Kingdom. In 1967, BBC Two had started trials of their new colour service, and it was gradually rolled out over the next few years.