If you haven't read them yet, you'd probably be interested in Black Widow titles. All of the ones on Marvel Unlimited have a noir tinge except for "Black Widow & the Marvel Girls" (its an all-ages book) and "Black Widow: Deadly Origin" (which is just mostly mediocre, except for the flashback art by John Paul Leon).
Brubaker's Captain America and Winter Soldier are great noir-influenced books, too.
Warren Ellis's run on Secret Avengers isn't strictly noir, but it's pretty close to it.