WATCH: Ahead of Wimbledon, Coco Gauff reached the semifinals at the Rothesay International in Eastbourne.

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It's a bird; it's a plane—no, it's Coco Gauff! The American teenager fulfilled a childhood dream last week with the debut of a rare, commemorative comic book cover to celebrate the release of the 'Invincible Iron Man' #7.

The cover features Gauff readying to serve in the foreground in front of the superhero Ironheart, and is part of a rare collectable line curated by the sports and entertainment agency hustl., which describes itself as "a retailer for exclusive Marvel custom comics and variants featuring world-class athletes and entertainers."

Only 3,000 copies of the issue featuring Gauff are available, and she joins other famous names including New York Giants football star Saquon Barkley, and rappers Eminem and Notorious B.I.G. to feature on covers.

Sharing the cover art on social media last week, the 19-year-old said: "Does this mean I am canon to the marvel universe now?"

In the comments, Gauff's doubles partner and world No. 4 Jessica Pegula said yes. "My dream to be in marvel universe," she wrote. "When you are lmk [let me know], so I can tag along."

Ironheart, like Gauff, is also a teenaged prodigy as the superhero identity of Riri Williams, a 15-year-old genius engineering student who attends the Massachusetts Institute of Technology on scholarship. Her storyline begins after she designs a suit of armor similar to that of Iron Man, the alias of Tony Stark, and takes up his legacy.

The character first appeared in the movie Black Panther: Wakanda Forever, which was released last year, and will star in her own Disney+ series, Ironheart, next year.

"As an avid Marvel fan, it's surreal to be on a Marvel cover, especially with one of my favorite characters who is such a strong and powerful young woman," Gauff said in a press release.

"Being able to feature Coco Gauff with Ironheart is truly special," added hustl. COO Keri Harris. "They both represent power and grace as they fight for positive impact in the world."