Virat Kohli and Tony Stark merge in a vibrant Picasso-inspired collage

Create a split-face editorial portrait of four iconic athletes in a modern abstract-art style. Each portrait should be vertically split down the middle: one half ultra-realistic studio photography, the other half colorful crayon/marker illustration with bold hand-drawn lines. 

Characters:
1. Cristiano Ronaldo
2. Virat Kohli
3. Carlos Alcaraz
4. Tony Stark inspired businessman genius look

Style details:
- Half realistic face, half abstract doodle sketch
- Bold blue, orange, red, and cyan marker strokes
- Minimal white background with playful geometric scribbles
- High-fashion magazine aesthetic
- Sharp facial lighting and glossy skin texture
- Clean symmetrical composition
- Picasso-inspired modern art mixed with hyper realism
- Editorial poster vibe
- Strong eye detail and expressive facial structure
- Vibrant crayon textures and rough sketch outlines
- Premium cinematic quality
- No watermark, no text

Aspect ratio 4:5 portrait, ultra detailed, high contrast, modern luxury sports-art aesthetic.