‘Iron Man 4’ Latest Rumors, News & Update: 3 Interesting Speculations Hinting The Possible Plotline Of Robert Downey Jr.’s Upcoming ‘Iron Man’ Sequel

Fans are getting more excited whenever reports about "Iron Man 4" emerge online. Even though "Iron Man" actor Robert Downey Jr. has previously revealed the sequel is not on the horizon, diehard Tony Stark fans are still hopeful for the possibility of a sequel.

"Iron Man" is one of the most popular Marvel Cinematic Universe franchise. Just recently, there have been rumors circulating around the internet that Marvel is contemplating to push through "Iron Man 4," with Robert Downey Jr. as the lead.

With that said, the 50-year-old "Captain America: Civil War" actor is reportedly open to the idea of doing "Iron Man 4." Since there's a possibility for a sequel, here are 3 interesting speculations hinting the potential plotline of Robert Downey Jr.'s "Iron Man 4."

1. Fin Fang Foom Might Be The Lead Villain In 'Iron Man 4'

There are several potential villains that could challenge Mr. Tony Stark in Iron Man 4. But latest report believed that dragon-like alien Fin Fang Foom could be the lead villain in the sequel.

Based on the Marvel Comics, Fin Fang Foom reportedly came to Earth from the Maklu IV planet to invade the planet. Unlike other monsters, Foom is smart, can communicate and strategize, making him one of the toughest arch rival of Tony Stark aka Iron Man.

2. Iron Man Vs. Spider-Man In 'Iron Man 4'?

Marvel's Free Comic Book Day Titles reportedly clued a major drama for Iron Man and Spider-Man. But what could this mean for "Iron Man 4?"

Rumors on putting Iron Man and Spider-Man in one movie is nothing new. In fact, rumors have it that Tony Stark might be mentoring Tom Holland's Peter Parker in "Spider-Man: Homecoming," but not in "Iron Man 4."

"Perhaps I will," Downey Jr. coyly said. "We don't have a contract yet."

3. No Robert Downey Jr. In 'Iron Man 4'?

There are also rumors circulating that Robert Downey Jr. will be replaced by someone younger in "Iron Man 4." However, director Joe Russo stressed that it would be "impossible" to replace Downey Jr. as Iron Man if Marvel will decide to have a reboot.

Despite the fact that fans are clamoring for "Iron Man 4," a new report claimed that there will be no "Iron Man" sequel in the near future. The reason? MCU has reportedly established an unspoken "trilogies only" rule and "Iron Man" has already done that.

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