How can I tell if an Amazon listing is a knockoff?

Red flags noted across r/ActionFigures threads: vague titles referencing 'blockbuster movies' without naming licensed characters, no listed manufacturer, suspiciously low prices for premium-looking figures, and stock photos that don't match what arrives. Stick to named licensed brands (McFarlane, Hasbro, NECA, Bandai, Mezco, Mafex) sold by the brand's own storefront or major retailers.