Mystique, known as Raven Darkholme, is a mutant with the ability to shapeshift into any human form. Born with her powers, she often felt alienated and misunderstood. Over time, she has oscillated between roles as a villain and an anti-hero. Mystique played a significant role in the X-Men comics, appearing first in "The Avengers" #111 in 1970 where she was introduced as an adversary to the superhero team. Her character explores themes of identity, transformation, and prejudice. Throughout various story arcs, such as the 'Days of Future Past', she has been portrayed as someone willing to use her skills for personal gain or the advancement of mutant-kind, demonstrating complex moral ambiguity. Over the decades, Mystique has appeared in animated series, live-action films portrayed by Rebecca Romijn and Jennifer Lawrence, solidifying her status as a pivotal character in the X-Men lore.