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GoodCase.ai · AI Prompt Case Collection
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Superhero Soda Promotional Posters

Superhero Soda Promotional Posters

Creator · wiliam_web3

AI ImageX2026-08-08Added 08/19/2026Independently retestedNano Banana Pro
View original source ↗
Source ♥ 63

Prompt

[
  {
    "concept_id": "iron_man_coke",
    "visual_breakdown": {
      "focus_object": "{argument name="brand" default="Coca-Cola Can"}",
      "character_element": "{argument name="character element" default="Iron Man's Gauntlet"}",
      "environment": "{argument name="setting" default="Blurred City Skyline"}"
    },
    "artistic_direction": {
      "lighting": "Cinematic/Metallic",
      "mood": "technological"
    },
    "generation_command": {
      "aspect_ratio": "7:9",
      "concise_prompt": "Iron Man's gauntlet hovering below a floating Coca-Cola can, cinematic city background, dramatic movie poster lighting. --ar 7:9"
    }
  },
  {
    "concept_id": "hulk_pepsi",
    "visual_breakdown": {
      "focus_object": "Crushed Pepsi Can",
      "character_element": "Hulk's Giant Hand",
      "environment": "Smoky City Ruins"
    },
    "artistic_direction": {
      "lighting": "Explosive/High Contrast",
      "mood": "destructive"
    },
    "generation_command": {
      "aspect_ratio": "7:9",
      "concise_prompt": "Hulk's giant hand hovering over a crushed Pepsi can embedded in pavement, smoky ruins, explosive action movie style. --ar 7:9"
    }
  },
  {
    "concept_id": "thor_sprite",
    "visual_breakdown": {
      "focus_object": "Sprite Bottle",
      "character_element": "Thor's Glowing Hand",
      "environment": "Storm/Lightning"
    },
    "artistic_direction": {
      "lighting": "Electric/Blue-Toned",
      "mood": "mythological"
    },
    "generation_command": {
      "aspect_ratio": "7:9",
      "concise_prompt": "Thor's glowing hand holding a floating Sprite bottle amidst crackling lightning and rain, Mjolnir in background, epic poster style. --ar 7:9"
    }
  },
  {
    "concept_id": "dr_strange_fanta",
    "visual_breakdown": {
      "focus_object": "Fanta Bottle",
      "character_element": "Doctor Strange's Hand",
      "environment": "Golden Magic Portal"
    },
    "artistic_direction": {
      "lighting": "Magical/Golden Bokeh",
      "mood": "mystical"
    },
    "generation_command": {
      "aspect_ratio": "7:9",
      "concise_prompt": "Doctor Strange casting a spell under a spinning Fanta bottle inside a golden magic portal, mystical Sanctum background, cinematic lighting. --ar 7:9"
    }
  }
]
≡Provenance · verifiedPublished prompts are human-checked against the original post; platform-reconstructed prompts are not accepted.Compare with source ↗

Models & stability

Recommended models

Nano Banana Pro
Stability
58 / 100
Cost
Medium
Related SkillsPoster information hierarchy ↗

Independent retest evidence

See what the same prompt generated in our test.

Retest output · not the creator's original
ImageGenerated evidenceAI judged

Grok Imagine

Sep 2, 2026

Retest score57.9
Generated retest result
claude-sonnet-5 · 53.7gpt-5.6-sol · 62gap · 8.3
  • Cross-model retest: the recommended model is Nano Banana Pro, and this run used Grok Imagine. The result shows how the same prompt carries over to Grok Imagine; it does not show what the creator got with the original model.
  • The retest score is the mean of two AI judges (0–100) for this single generation. No person has reviewed it, and it is not a success rate.

The requested model is recorded, but the generation receipt did not expose a verifiable underlying model ID.

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Each detail page keeps the original result, the prompt, and retest evidence in one reading path.