Back when mutants were still unheard of by the general population of America, Jason Wyngarde had managed to grow with his mutant powers relatively unnoticed. However, the one man who recognised Wyngarde's powers of psychic illusion was Magneto. Wyngarde joined Magneto's new group, and thus became known as Mastermind; a founding member of the Brotherhood of Evil Mutants. Magneto's goals suited Wyngarde's, as he had previously only managed to secure employment as a mentalist; a trickster in carnivals. His thirst for power matched his desire for the Scarlet Witch, but despite trying to use his powers and arguments he was never able to separate her from her protective twin brother Quicksilver. As a member of the Brotherhood Mastermind often came to battle the young group of mutant heroes known