This is Scarlett Johansson as Black Widow from Iron Man 2. The reference is from the Avengers movie storybook. The scan is darker than the original drawing.
Black Widow and the Avengers belong to their owners and not to me.
Time and materials:
20 1/2 hours
9 x 12 smooth series 300 Bristol board
Kimberly pencils 2H to 6B
2B, HB and 4B mechanical pencils
.3mm mechanical Pentel pencil
My other Avengers drawing: