Cartoonish AI Portrait Transformation

I need a skilled editor to transform a portrait photo into a cartoonish AI-generated image. The style should be reminiscent of Superman comic art, with a cityscape background.

Requirements:
- Convert realistic portrait to cartoonish style
- Superman comic book art style
- Cityscape background integration

Ideal Skills and Experience:
- Experience with AI image editing
- Proficiency in comic book art styles
- Strong background in digital illustration and photo manipulation