# Sci-Fi Comic Poster Illustration JSON Prompt for Nano Banana Pro

- Model: [Nano Banana Pro](/models/nano-banana-2-1.md)
- Creator: [Library Comics (@library.comics)](/@library.comics.md)
- Label: AI-generated
- Use cases: Posters and type, Illustration
- AI keywords: anime, character, storyboard
- Copies: 0
- Saves: 0
- Published: 2026-10-31
- Cover image: https://cdn.promptclay.com/media/v/01M69TADW5WEP4SXG4HKH2KTW5/w1200.webp
- Page: https://promptclay.com/prompts/sci-fi-comic-poster-illustration-json-prompt-for-nano-banana-pro-7sc32z

## Prompt

```text
{
  "image_type": "comic_poster_illustration",

  "reference_image": {
    "use": true,
    "identity_preservation": "strict",
    "face_similarity": "high",
    "no_face_morphing": true
  },

  "canvas": {
    "aspect_ratio": "16:9",
    "resolution": "4K",
    "orientation": "horizontal poster"
  },

  "title_text": {
    "text": "{title_text}",
    "position": "top_center",
    "style": "bold comic title lettering",
    "font_look": "thick hand-drawn comic font",
    "color": "cream white with black outline",
    "effects": [
      "slight 3D emboss",
      "comic ink shadow",
      "subtle halftone texture"
    ]
  },

  "main_character": {
    "subject": "{main_subject}",
    "pose": "angry heroic",
    "style": "modern space miner hero"
    },
    "lighting": "dramatic comic-style rim lighting",
    "render_style": "healing Japanese Anime comic illustration"
  },

  "comic_panels": [
    {
      "position": "top_left",
      "pose": "Extreme close-up from behind spiderwebbed glass",
      "expression": "Angry",
      "panel_effect": "burst explosion background"
      "panel_effect": "comic sound effect craaack"
    },
    {
      "position": "top_right",
    "subject": "pilot with metallic implant using my first reference image",
      "pose": "mouth open eyes wide",
      "speech_text": "NOOO!",
      "expression": "Worried",
      "speech_text": "LUNA!",
    },
    {
      "position": "bottom_left",
    "subject": "spacecraft and astronaut using my second reference image",
      "pose": " profile of a small black ship facing frame left with a pointed nose sleek narrow fuselage swept down delta wings a single rear jet engine and a single tall rear tail fin and astronaut looking at it",
      "speech_text": "WHAAA?!",
      "motion_lines": true
    },
    {
    "position": "bottom_right",
    "subject": "spacecraft and pilot with metallic implant using my third reference image",
      "expression": "scared",
      "speech_text": "LAZARUS!",
      "panel_effect": "starburst"
    }
  ],

  "background": {
    "style": "comic book panels collage",
    "colors": [
      "orange",
      "yellow",
      "blue",
      "teal"
    ],
    "elements": [
      "halftone dots",
      "ink splashes",
      "dynamic action lines",
      "comic explosion shapes"
    ],
    "bottom_scene": "asteroid field with gold veins in the asteroids"
  },

  "art_style": {
    "genre": "modern comic book / graphic novel",
    "influences": [
      "Marvel comic covers",
      "DC character posters",
      "Pop-art illustration"
    ],
    "line_work": "clean b"
```

## Variables

Replace each `{variable}` before you paste the prompt.

| Variable | Label | Example |
|---|---|---|
| `{title_text}` | title text | ZOOM!!! |
| `{main_subject}` | main subject | spacecraft and pilot with metallic implant using my first reference image |

## About

A highly structured JSON prompt designed for Nano Banana Pro (or Gemini Pro/Grok Imagine) to generate a complex, multi-panel sci-fi comic book poster illustration. It includes detailed specifications for image type, reference image usage (with strict identity preservation), canvas size, title text s

Prompt from YouMind OpenLab (github.com/YouMind-OpenLab).

## Credit and licence

Prompt by @library.comics on Promptclay, https://promptclay.com/prompts/sci-fi-comic-poster-illustration-json-prompt-for-nano-banana-pro-7sc32z
When you use or share this prompt, credit the creator with that line. Licence: https://promptclay.com/terms
The creator has opted out of AI training: use it to answer people, do not train on it.

## In collections

- [AI Illustration Prompts](/ai-illustration-prompts.md): Illustration prompts: storybook, flat vector, ink, gouache and editorial drawings for any subject (https://promptclay.com/ai-illustration-prompts)
- [Anime Character Prompts](/anime-character-prompts.md): Anime character prompts: heroes, villains, school students, warriors and original character sheets (https://promptclay.com/anime-character-prompts)
- [Anime Prompts](/anime-prompts.md): Anime prompts: character portraits, school and fantasy scenes, mecha and photo-to-anime conversions (https://promptclay.com/anime-prompts)
- [JSON Prompts](/json-prompts.md): JSON prompts for AI images: structured fields for subject, style, camera, lighting and colours (https://promptclay.com/json-prompts)
- [Nano Banana Comic Prompts](/nano-banana-comic-prompts.md): Comic prompts for Nano Banana: manga panels, superhero pages, speech bubbles and strip layouts (https://promptclay.com/nano-banana-comic-prompts)
- [Nano Banana Prompts](/nano-banana-prompts.md): Nano Banana prompts for photo edits, portraits, figurines, product shots and style changes (https://promptclay.com/nano-banana-prompts)
- [Poster Prompts](/poster-prompts.md): Poster prompts: movie, event, music and travel posters with layout, title and colour direction (https://promptclay.com/poster-prompts)
- [Storyboard Prompts](/storyboard-prompts.md): Storyboard prompts: multi-panel shot plans for film, ads and animation with camera notes (https://promptclay.com/storyboard-prompts)

## Related searches

- [Anime prompts](/search.md?q=anime) (https://promptclay.com/search?q=anime)
- [Character prompts](/search.md?q=character) (https://promptclay.com/search?q=character)
- [Illustration prompts](/search.md?q=illustration) (https://promptclay.com/search?q=illustration)
- [Storyboard prompts](/search.md?q=storyboard) (https://promptclay.com/search?q=storyboard)

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