He said his decision to return was influenced by the involvement of original cast members and the quality of the project.
"I made the decision to join the movie after hearing who was going to be in it," Moranis said, noting Bill Pullman’s return alongside his son Lewis Pullman.
The film also honors late original cast members John Candy, Joan Rivers, Dom DeLuise, and Dick Van Patten.
Josh Gad confirmed he would play a new character named a mawg, not Candy’s original character Barf.
Fans cheered and chanted Moranis’ name as he appeared onstage, celebrating his return to the beloved role 40 years after the original film's release.
Behind-the-scenes footage and a teaser trailer were shown, and Mel Brooks and Bill Pullman greeted fans via prerecorded video, with Brooks recorded in a vocal booth for the film.
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The panel also humorously referenced the trend of cinematic universes, presenting a parody timeline of sequels called "The Almighty Schwartz Saga."