3D Diorama of Comic Book Covers and Toys

A complex, structured prompt instructing Nano Banana to visualize the DC Universe using a specific structural geometry: a 3D diorama featuring a vertical scenic backdrop (book cover), 3D toys of heroes and villains, and open book pages with comic panels, all rendered photorealistically.

Prompt

2x2 grid, do this for 4 titles in a famous comic universe: <spatial_map>
    [ VERTICAL SCENIC BACKDROP (BOOK COVER) ]
    |      (Floating Label: [{argument name="issue title" default="ISSUE_TITLE"} | {argument name="year" default="YEAR"}])
    |                                            |
    |      [3D TOY: {argument name="hero" default="HERO"}] vs [3D TOY: {argument name="villain" default="VILLAIN"}]   |
    |          \__ [3D PLASTIC FX] __/           |
    |                                            |
 ---+--------------------------------------------+---
   /    [OPEN BOOK PAGES WITH COMIC PANELS]     /
  /                                            /
 /      [ FLOATING 3D TEXT: [SFX_WORD]! ]     /
/____________________________________________/
</spatial_map>
Instruction: Render a photorealistic 3D diorama matching this exact structural geometry.