While doing the Ka-Zar coloring, I learned a little trick. And these things normally took me quite a bit of time; but applying the trick I learned coloring Ka-Zar, I was able to color this cover of Uncanny X-Men #137 in a little over an hour; which is a huge difference between like several days!
Click the images for full sizes.
This is the black and white image I worked with:
And this was the coloring result:
No way looks super professional, but then, I don’t do this for a living. I just do it to relax my brain. 🙂