Stop removing the femme fatale category characters like Alice and Blackarchina, because they tend to seduce men with their looks and deceive them. Also, stop changing the pronouns in their article. They are only genderless biologically but are still identified and treated as female. Read that genderless category, cause this is brought up.
By the way, a casanova doesn't deceive women with seduction. You're thinking of homme fatale.
he is not malevolent, when he is depicted that way he is controlled by other entities or just "bad writing" - he is beyond good and evil, you are thinking of Abraxas, who Galactus keeps from entering the Marvel universe.. also, Red Skull is generally considered Marvel's most depraved villain.