Robert Downey Jr. wore sunglasses in Iron Man way more than his fellow Avengers, but the real reason is wild! Turns out, in one iconic scene, he used them to hide cue cards because he and Jon Favreau were literally writing lines on the fly. Now fans are debating: was Tony Stark’s signature look just a cover-up for improv? MCU magic or just movie-making chaos? #Entertainment #Movies #Marvel