Wanda Maximoff also known as Scarlet Witch was one of the twins who was subjected to Baron von Strucker's experiments involving the Scepter. After being subjected to the experiment, Wanda gained "magical" powers which enabled her to manipulate and warp reality
Wanda, along with her brother Pietro, were amongst the people in Sokovia protesting against their government. They were approached by Baron Strucker who promised to grant them powers similar to that of the Avengers to aid them in their fight. Wanda and Pieto volunteered and were the only ones who survived the experiments involving the Scepter. Wanda became capable of manipulating and warping reality along with neuro-electric sensitivity.