The Marvel Cinematic Universe (MCU) has always amazed fans with its action, stories, and surprises. But this time, it has gone a step further. The new movie Fantastic Four: First Steps, which released last Friday, is already a big hit across the US. People are not only talking about the film’s storyline but also about its two exciting post-credit scenes. These scenes come after the main movie ends and leave fans wondering what will happen next.
The film stars some of the most well-known actors—Pedro Pascal, Vanessa Kirby, Joseph Quinn, and Ebon Moss-Bachrach. Their acting has been praised by fans and critics alike. But what truly caught everyone’s attention were the post-credit scenes, especially the one that shows a mysterious person holding Doctor Doom’s mask. And guess who plays this mystery man? It’s none other than Robert Downey Jr., the beloved actor who once played Iron Man. This surprise has made fans across the US extremely happy and curious about the future of the MCU.
The first post-credit scene is both sweet and mysterious. It jumps ahead in time—four years into the future. The Fantastic Four team is still living in their famous base, the Baxter Building. Sue Storm, played by Vanessa Kirby, is seen reading a children’s book called The Very Hungry Caterpillar to her little son, Franklin. A robot helper named H.E.R.B.I.E. suggests she read something more scientific, like a book by Charles Darwin, but she gently says no and picks another book for her child. Everything seems peaceful until a strange man dressed in a cloak walks into the room. He quietly holds out a silver mask that fans will recognize right away—it’s the mask of Doctor Doom, a dangerous villain from the Marvel universe.

Franklin, the young boy, sees this man and is clearly interested. The scene doesn’t show the man’s face clearly, but it is confirmed that Robert Downey Jr. is playing him. This short moment creates many questions. Why is he there? What does he want with Franklin? In the Marvel world, Franklin is not just any kid. He has powerful abilities that can even change reality. This scene hints that the mystery man might want to use Franklin’s powers for something big—maybe good, maybe bad. It’s also a sign that Doctor Doom could soon become a major part of the MCU.
The second post-credit scene brings a totally different vibe. Instead of something serious, it is fun and playful. It shows a retro-style cartoon introduction, like the ones from old TV shows. In this short cartoon, the Fantastic Four team is seen fighting some of their well-known enemies—Red Ghost, Puppet Master, and Diablo. These colorful characters may be old-school, but seeing them again in a new way brought a wave of nostalgia to long-time fans. It also reminded younger viewers of how far back these stories go.
After the cartoon ends, there’s a quote on the screen from the original creator of The Fantastic Four, Jack Kirby. It says, “If you look at my characters, you will find me…” This simple yet emotional quote honors the creative mind behind these amazing characters. Right after this line, the screen shows a title card that talks about “Earth-828.” This number is not just random. It stands for the birthday of Jack Kirby, who was born on 28th August. It’s Marvel’s way of thanking and remembering the man who started it all.
The two post-credit scenes together show two sides of the Marvel world. One is serious and full of mystery, opening the door for new stories, new heroes, and new villains. The other is joyful and fun, reminding us of where these stories came from. This balance of excitement and heart is what keeps fans coming back for more.
Robert Downey Jr.’s appearance has especially caused a stir among US fans. After his emotional goodbye as Iron Man, seeing him return—even in a different role—has given many viewers a sense of joy and hope. Some fans even believe that this could mean something bigger is coming. Could Robert Downey Jr. be playing a version of Doctor Doom? Or is he someone else entirely? The movie gives just enough hints to keep us guessing.
The film Fantastic Four: First Steps is not just another superhero movie. It is a new beginning for the Fantastic Four in the MCU. With fresh faces, a strong story, and surprise moments like these post-credit scenes, Marvel has made sure that fans are once again glued to the big screen. The movie also does a good job of setting up new ideas without making things confusing. Even if you are not a hardcore Marvel fan, you can still enjoy the film and feel excited about what’s next.
In simple words, this movie is a gift to both old fans and new ones. It tells a story that is easy to follow, gives us heroes to cheer for, and adds just the right amount of mystery to keep us interested. The post-credit scenes are like cherries on top, especially with a surprise as big as Robert Downey Jr.’s return.
So if you haven’t seen Fantastic Four: First Steps yet, now might be the perfect time. And remember—don’t leave the theatre too soon. Those final moments after the credits roll might just be the best part. Who knows what other secrets Marvel has planned for us next?