"Iron Man 3," released in 2013, was a significant box office success, grossing over $1.2 billion worldwide. It became the highest-grossing film of 2013 and the fifth highest-grossing film at the time. The movie received generally positive reviews from critics, praised for its character development and action sequences. While some fans had mixed feelings about its portrayal of the Mandarin, overall, "Iron Man 3" is considered a hit both commercially and critically, solidifying the Iron Man franchise's popularity in the Marvel Cinematic Universe.

Jenna Ortega did not appear in "Iron Man 3." The film, released in 2013, stars Robert Downey Jr. as Tony Stark/Iron Man, along with Gwyneth Paltrow, Don Cheadle, and Ben Kingsley. Ortega is a talented actress known for her roles in projects like "The Fallout," "You," and "Wednesday," but she was not part of the cast in this Marvel Cinematic Universe installment.

As of now, there are no official plans for an "Iron Man 4." After "Iron Man 3," released in 2013, Robert Downey Jr. has reprised his role as Tony Stark/Iron Man in various Marvel Cinematic Universe (MCU) films, but Marvel has not announced a new standalone Iron Man movie. Downey's character had a significant arc, culminating in "Avengers: Endgame" (2019). However, the MCU continues to evolve, and while Iron Man's future in standalone films is uncertain, the franchise may explore new stories involving other characters and technologies.

"Iron Man 3" is highly regarded for several reasons. It features a compelling character arc for Tony Stark, showcasing his struggle with PTSD after the events of "The Avengers." The film balances action and humor while delving into themes of identity and vulnerability. Director Shane Black's style adds a fresh tone, and the screenplay offers witty dialogue and unexpected twists, particularly with the Mandarin reveal. Additionally, the impressive visual effects and strong performances, especially by Robert Downey Jr., contribute to its success as a standout in the Marvel Cinematic Universe.