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Robert Downey Jr.

The actor who plays Tony Stark — and Iron Man — always knows how to steal the show. (Photo: Getty Images)

Inside the 'Avengers: Infinity War' premiere with RDJ, ScarJo, Gwyneth, and others!

Suzy Byrne
Editor, Yahoo Entertainment

Avengers: Infinity War was one of the most expensive films to make, and Monday’s premiere was appropriately blockbuster, taking over an entire block of Hollywood Boulevard with simultaneous screenings in three theaters. Not only was the purple carpet (in honor of the mauve-hued villain Thanos) remarkably star-studded — virtually everyone in the Marvel Cinematic Universe was there (with the notable exception of Captain America Chris Evans, who was locked into his Broadway show) — but it doubled as an exhibition, loaded with costumes and props from the studio’s 10-year run. Click through to see the highlights.