Benedict Cumberbatch reveals that Doctor Strange's most scathing Iron Man (Robert Downey Jr.) insult in Avengers: Infinity War was improvised. Set-up by the events of Captain America: Civil War, the 2018 Marvel Studios blockbuster picked up two years following the Avengers' break-up. This resulted in Thanos' (Josh Brolin) attack and forced new hero team-ups including that of Doctor Strange, Iron Man, and Spider-Man (Tom Holland) as they traveled to Titan to confront the purple villain.
Due to its massive cast, director Joe and Anthony Russo had to section the heroes and their allies into smaller groups in Avengers: Infinity War. One of those teams included Iron Man, Doctor Strange, and Spider-Man (Tom Holland) who were all based in New York. But their team-up started on the wrong foot as Tony Stark and Stephen Strange didn't miss to trade jabs against each other. And apparently, one of, if not the best insult Doctor Strange had launched against Iron Man (where he tells Tony that his job is «protecting your reality, douchebag») wasn't in the script.
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As Cumberbatch promotes Doctor Strange in the Multiverse of Madness, he also looks back on his stint in the MCU thus far. In a new interview with BBC Radio 1, he tells the story of how Doctor Strange's Iron Man burn in Avengers: Infinity War was totally improvised and inspired by Downey and Holland riffing off of each other. Read his full comment below:
So basically, Tom had just come off the success of the first Spider-Man film of his and obviously he had scenes with Downey so they knew each other. They were very relaxed around each other so on the Q ship they were sort of riffing around aunt May and I
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