The Iron Man franchise not only started the current Marvel brand but also was its most consistent big player due to the popularity of star Robert Downey Jr. and the anti-hero that everyone wanted to root for. But the star is now saying that the standalone movies have hit the end of the road.

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Speaking with Variety to promote his new movie The Judge on Sunday, Downey Jr. said there was no future plans for a fourth Iron Man movie being worked on currently.

"There isn't one in the pipe," Downey said. "No, there's no plan for a fourth Iron Man."

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Currently, Downey Jr. is signed on to do the next two Avengers movies, which are released in 2015 and possibly 2017 or 2018.

Downey Jr. added that he liked the idea that he was the deciding factor for Marvel to be making another one. "I like that the idea is that it would be up to me, like I'm casting director for Marvel," he said.

"Maybe it'll be trilogy, like that other series he was in," he joked to costar Robert Duvall, who was in all three Godfather movies. "I heard two of those were good."

While Iron Man 3 was one of the biggest blockbuster hits of last year, Downey Jr. has seemed to wain on playing the character and only signed on his next contract to finish out the Avengers movies, which could culminate in a trilogy.

Avengers: Age of Ultron has finished filming and is set to open in theaters on May 2, 2015.

Tags: Iron Man 4 Movies Robert Downey Jr