Scarlett Johansson defined Natasha Romanoff for over a decade in the Marvel Cinematic Universe, but she wasn’t the first choice to play Black Widow. Before ‘Iron Man 2‘ introduced the character to the superhero realm, the studio offered the role to Emily Blunt, who was fresh off the breakout success of ‘The Devil Wears Prada‘ and was rising as one of Hollywood’s most sought-after young stars.
Sadly, Blunt had to turn down the offer despite her interest. The actress missed the role because a studio contract got in the way, forcing her into another film and closing the door on what could have been one of the biggest franchise roles in Hollywood.
A Studio Contract Kept Emily Blunt From Starring In ‘Iron Man 2’
The problem started years before Marvel ever called. When Blunt signed on to ‘The Devil Wears Prada’ in 2006, 20th Century Fox included an option clause in her contract. Those deals were common studio practice: if an actor broke out in one project, the studio could claim them for another film later rather than lose them to a rival.
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That clause came back to haunt her just as Marvel was casting for ‘Iron Man 2.’ Director Jon Favreau wanted Blunt to play Natasha Romanoff, and by Blunt’s own account, she was eager to do it. But Fox decided to exercise its option and place her in ‘Gulliver’s Travels.’
She played Princess Mary in the 2010 Jack Black comedy. Once Fox made that call, Blunt had little room to maneuver. The production schedule for ‘Gulliver’s Travels’ collided with Favreau’s project.
And because Blunt was contractually tied to Fox, she had to turn down Marvel’s offer. The role then went to Johansson, who made her debut as Black Widow in ‘Iron Man 2’ and stayed with the character until ‘Black Widow,’ which came out in 2021.
That sequence of events matters because it changes the story from a career choice into a contractual loss. Blunt did not pass on Natasha because she thought the part was wrong for her. Another studio simply had legal control over her time.
Blunt Later Admitted Losing The Role Was A “Heartbreaker”
For years, the Black Widow story followed Blunt around as one of Hollywood’s great near-misses and picked up a misleading reputation. Because she never joined the MCU, some people assumed she had actively rejected the franchise or considered comic-book films beneath her.
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Blunt eventually pushed back on such rumors in a 2021 appearance on ‘The Howard Stern Show.’ She explained that she was “contracted to do Gulliver’s Travels” and did not want to do it, calling the whole situation “a bit of a heartbreaker.”
The frustration, she said, stemmed from caring deeply about the projects she chooses and feeling she had no control over this one. She did not shrug off Marvel. Instead, she lost a film she actually wanted to make. Blunt also made clear that ‘Iron Man 2’ appealed to her for specific reasons.
She has said she loved ‘Iron Man‘ and was excited by the chance to work with Robert Downey Jr., whose performance as Tony Stark had already turned the first film into a phenomenon. In that sense, the disappointment was not just about missing a giant franchise payday.
It was also about missing a creative opportunity she had genuinely wanted. That admission gave the story a different shape. Instead of framing Black Widow as the role Blunt casually discarded, it positioned the film as one of those rare studio-era losses actors still have to absorb long after they have become stars in their own right.
Blunt Is Still Content Without Marvel
Over time, Blunt has drawn a line between regretting the circumstances and regretting the Marvel universe itself. In that same interview, she suggested she does not feel a lasting sense of loss over missing the wider superhero boom.
She said those films are not really “up my alley” and described the genre as exhausted by the sheer number of movies and television spinoffs built around it. That distinction is important. Blunt has never denied that losing ‘Iron Man 2’ upset her at the time.
But she also does not talk like someone who believes she missed the only great role of her career. Her frustration seems tied more to the lack of control than to a fantasy of what the MCU might have done for her long term. And in practical terms, things worked out just fine.
Scarlett Johansson turned Black Widow into one of Marvel’s signature characters, while Blunt built a career across prestige dramas, thrillers, musicals, and studio films without tying herself to a single franchise.
She eventually got the Robert Downey Jr. collaboration she had wanted when they starred together in Christopher Nolan’s ‘Oppenheimer.’ So yes, there was real disappointment there, and Blunt has been candid about it.
But the lost opportunity is less about an actor foolishly passing on a blockbuster than about the kind of old-school studio contract that can still reroute a career overnight. Blunt did not turn down Natasha Romanoff because she did not want her. She lost out because another film secured her first.
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