An actress that appeared in a superhero movie: Scarlett Johansson
An actor that appeared in a superhero movie: Stellan Skarsgård
A villain: Samuel "Starr" Saxon
A Hero: Stephen Strange
Non superhero ( like Mary Jane etc): Sam Sawyer
A gadget: Savage Steel
Now for two that does not need to be Marvel
A film (Any film): Sorority Sister Slaughter
A housemate from Big Brother (Any): Eric Scott Stein