Natasha Romanova

Aka Black Widow. She is possibly my favorite Avengers character. I had a lot of fun drawing her!

The under-sketch is in the previous post.

Note

Due to a family emergency earlier this week the next portrait is late. It will be up in the next couple of days. It is of Natasha Romanova (aka Black Widow) and here is the under layer:

Tony Stark

Here's the next Avengers portrait. I honestly had a really difficult time with this portrait because I really wanted to capture what I say in this image: which was a kind of cocky but rueful sadness that I think really is what the character Tony Stark was about in the movies. I may go back to this portrait later, but unless I post it I will not get anything else done.

 And here's the under layer:

Steve Rogers

This is what I do with my afternoon off. I spend the whole time (digitally) painting Captain America.

Here's the under painting:

I made some tweaks between the early and finalized panting.

Cardiac studying

Here's some drawings I've been doing to study cardiac anatomy and blood flow. I used Grant's Anatomy as a reference.

Coronary arteries:

 Heart chambers:

 Blood flow through the heart: