Just finished another commission and figured I'd show the process. I started this with blueline pencil on bristol, after several thumbnails and referring to models and reference.
After the pencils were good enough, it was time for inks. I usually ink with Copic Multiliners, although I'm happy to crack out a brush. For something that requires as much precision as Iron Man, pens were the way to go.
After inks, it was time for markers. I went in with flat colors, using the lightest base tone I had, and blocked everything in.
Once the base colors are laid in, it's time for detail! I basically paint with the Copics and then drop highlights in last with white ink or gel pen.
Aaaaaand this is the final piece, after all's said and done.