We also got a first image of him in the film, which you can see from the Star Wars Legacy tweet below.
He added that having a CG character, recasting or just having her disappear, were not options.
"We have not announced any specific plans for movies thereafter", Iger said during a Bloomberg Television interview. The late Carrie Fisher will also appear as Leia Organa, using previously unreleased footage shot for The Force Awakens.
Chicago's Star Wars Celebration event started on the right foot this morning with the Episode IX panel. But the largest ovations came for Kelly Marie Tran, who plays mechanic Rose Tico, and Billy Dee Williams, who returns to the series as con artist Lando Calrissian after last playing the character in 1983.More news: Tesla to stop selling $35,000 Model 3 online
Of course, we won't know the true answer to any of this until "The Rise of Skywalker" hits theaters later this year. The announcement was made by film's director J.J. Abrams and Lucasfilm president Kathleen Kennedy on Friday.
Star Wars: Episode IX began filming at London's Pinewood Studios on August 1, with J.J. Abrams (Star Wars: The Force Awakens, Star Trek) returning to direct the final installment of the Skywalker saga.
Click through the photo gallery above to see some of the intriguing sights from the trailer, which featured eye-catching creature designs, otherworldly vistas, intense showdowns and some barrel-rolling Millennium Falcon flight time.
When prodded about what will happen with the complex relationship between Kylo and Rey, Ridley demurred, "I guess the Kylo and Rey thing, we'll have to see".More news: Zach Johnson Takes Biggest Mulligan Of All-Time At The Masters
The trailer opens with a voiceover from Luke Skywalker (Mark Hamill) as Rey (Daisy Ridley) battles by herself in the desert.
"This is an adventure that the group goes on together", he teased, although he wouldn't reveal whether or not that meant the group on stage or some other combination.
ABC News and Lucasfilm are both part of parent company Disney.
While the new teaser for Star Wars: The Rise of Skywalker has given the fans much to be excited about, the villainous Emperor Palpatine managed to steal the show with the mere sound of his sinister laughter.More news: Trivago spokesman charged with DWI in Houston
Naturally, they kept plot and character details to a minimum - this is Star Wars after all, and the king of Mystery Box storytelling, no less - but Abrams did confirm some exciting details.