Yes! You read the exact title, We all got a new Iron Man. You will be surprised at what you hear about and that's what our Tony Stark's armour will wear in the future and will take this iconic character forward. This is a FAN Theory but this fan theory has a lot of chances to be correct.
A new name is added to the cast list of The Avengers 4 and he is Ty Simpkins, Now there are a lot of people who do not even recognize them. And to know it we have to go back to Iron Man 3 movie. If you remember the iron Man 3 then you will remember Harley character in it. Harley did a lot of help of Tony Stark when he was in trouble. This is Ty Simpkins who is coming in Avengers 4.
Suddenly , Today after 5 years, bringing Harley to the Avengers 4 means the only one that will be the mentle of IRON MAN. There is a lot of chances that Harley will take the title of Iron Man in the future movie.
But How?
According to Fan theory, Harley will have a cameo role in which he will be in the frame of Tony Stark. There are many people who will comment whether or not Iron Man will not die or should not kill it. You are right. Nobody wants to see the movie leaving your favorite character.
But you think Robert Downey Jr. has been doing the same role for the last 10 years and he does not want to do the same role for a long time. He is now 53 years old and is the oldest actor to play a superhero. You all must know that their contract is ending after the Aangers 4, then there is a chance for them to take rest from IRON MAN's ROLE and to take Acting to the new direction.