Taskmaster (real name Antonia Dreykov) is a major character in the Marvel Cinematic Universe, serving as the secondary antagonist of Black Widow and the overarching protagonist of the 2025 film, Thunderbolts*.
She can read and copy her enemies' moves, thanks to her "photographic reflexes". She is the daughter and the former right-hand of General Dreykov (under brainwashing. However, Antonia was freed by Natasha Romanoff, the very same woman who had critically injured her in an attempt to detonate the explosives and take out Dreykov.