Ultra Violet & Black Scorpion

13-year-old Violet Rodriguez is constantly overshadowed by her brother Santiago Rodriguez. One day, she is chosen by a magical Luchador mask to be its wearer. When she puts it on, Violet becomes a superhero that possesses super-speed. In need of a collaboration, she trails the Luchador superhero Black Scorpion and discovers that he is Violet's uncle Cruz. With both of them knowing each other's secrets, Cruz agrees to train Violet and have her follow in his footsteps. (Wikipedia)