Robert Downey Jr. and Pedro Pascal delighted fans this Halloween with an amusing twist on costume tradition by swapping roles of their iconic Marvel characters. The duo celebrated the festive occasion together on 31 October, donning outfits that paid homage to each other’s roles in the Marvel Cinematic Universe (MCU), all while generating buzz ahead of their anticipated film, *Avengers: Doomsday*.
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In this playful exchange, Downey Jr., aged 61, opted to embody Reed Richards, also known as Mister Fantastic, while 51-year-old Pascal took on the persona of Victor von Doom, or Doctor Doom. The actors shared glimpses of their “costume swap” on social media, with Downey Jr. posting a captivating video to his Instagram account that showed them unveiling their new looks.

The video opens with Downey Jr. playfully concealing his face with his hands, while Pascal hides behind Doctor Doom’s signature metallic mask. As they reveal their identities, Downey Jr. quipped about their unconventional choice, stating, “Cross-dressing,” much to Pascal’s amusement.
Fans may have found it hard to distinguish Downey Jr. from his character, as he donned a tight-fitting blue bodysuit complete with the emblematic ‘4’ of the Fantastic Four and a distinctive white belt. Conversely, Pascal showcased Doctor Doom’s essence in his attire, which featured a green sweatshirt, matching trousers, a flowing cape, and the character’s recognisable silver mask.
In the caption accompanying his Instagram post, Downey Jr. excitedly wrote, “Victor. Richard. Costume swap!” This humorous reveal resonated with followers, sparking a flurry of jokes and theories in the comments section, many of which referenced the adept timeline alterations characteristic of the MCU. One amusing comment suggested, “Did Loki mess with the timeline again? 👏🏽🤣” while another user chimed in, “This is the multiverse of madness, by the way.”
The duo’s light-hearted exchange not only showcased their camaraderie but also inspired speculation about the upcoming movie’s storyline. Fans questioned whether the costume swap might serve as a form of “foreshadowing” regarding what lies in store for their characters in *Avengers: Doomsday*.
As for the film itself, details about the plot remain under wraps, though it is confirmed that both Pascal and Downey Jr. will be pivotal in the next instalments of the Avengers saga. Significantly, Downey Jr. is set to appear not as his long-established character Tony Stark/Iron Man, but instead as the formidable Doctor Doom.
Excitingly, Comic-Con in July 2024 confirmed that the Fantastic Four will play an integral role in the upcoming Avengers films. This includes not only Pascal as Reed Richards but also Vanessa Kirby as Sue Storm, Joseph Quinn as Johnny Storm, and Ebon Moss-Bachrach as Ben Grimm. Downey Jr.’s return to the MCU as Doctor Doom was met with enthusiasm, particularly when he took to the Comic-Con stage in dramatic fashion, removing the iconic mask to cheers from the audience.
Though much remains to be revealed about the plot of *Avengers: Doomsday*, the excitement surrounding the film continues to grow, especially with the well-publicised costume swap between two of Hollywood’s favourite actors. Fans are eager to see how their heroes will evolve in the new narrative come 18 December, when the film is set to hit theatres.
As both actors continue to tease their roles, the playful costume exchange has only served to heighten interest and anticipation for the forthcoming superhero epic, solidifying Pascal and Downey Jr. as two of the most dynamic figures in contemporary cinema.
