Retro Scifi Apocalypse Poster Series

Create stunning retro sci-fi warning posters inspired by classic pulp science fiction covers and vintage screen-printed t-shirt graphics. This prompt generates massive distressed comic-book headlines, three named planetary panels featuring unique world-ending catastrophes, dramatic cosmic storytelling, looming celestial threats, and a central Earth warning motif. Perfect for POD products, t-shirt designs, posters, book covers, wall art, and collectible merchandise. The structure remains.