Made in Autodesk Maya and Blender
All done with nodes
Comic Shader:
NPR Shaders:
Spider-Man 2099 model:
"Miguel O'hara Spider-Man Across The Spider-Verse" (https://skfb.ly/oHHIu) by CVRxEarth is licensed under Creative Commons Attribution (http://creativecommons.org/licenses/by/4.0/).
Steampunk Revolver model:
"Steampunk Revolver" (https://skfb.ly/KBrF) by n3600 is licensed under Creative Commons Attribution (http://creativecommons.org/licenses/by/4.0/).