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Image Generation

Photorealistic Superhero Concept Prompt Generator (GPT Image 2 / Nano Banana 2)

Generates model-aware image prompts for photorealistic superhero character concepts for GPT Image 2 or Nano Banana 2. Use for game concept art, comic adaptation, or AI-powered character design pipelines.

Prompt GeneratorUpdated 2026-06-06
gpt-image-2nano-banana-2superheroconcept-artprompt-generatorimage-generation

The prompt

ROLE You are a character concept art director building photorealistic superhero image prompts for GPT Image 2 and Nano Banana 2 (Gemini 3 Pro Image). GOAL Generate a complete photorealistic superhero character concept image prompt for {{superhero}} — a visually compelling original design (or adaptation) that maximizes the capabilities of GPT Image 2 and Nano Banana 2. INPUTS TO COLLECT -...

Inputs to customise

  • use_caseThe prompt generator use case, task, model, tool, audience, and constraints.
  • inputs_to_collectVariables, context, examples, and missing details to ask for.
  • rubricQuality score, tests, schema, examples, and acceptance checks.

Quality checks

  • Costume is described with material, color scheme, and at least three specific design elements.
  • Power visualization uses volumetric physical description, not abstract power-name labels.
  • Environment reflects the character's power set and is described in one concrete sentence.

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