Spiderman: Homecomingstar (and, duh, Swingers writer) Jon Favreau visited Jimmy Kimmel Live to promote his new summer blockbuster, and to share some vintage Chicago comedy memories with the show's host.
Before heading to Hollywood, Favreau paid his dues out in Chicago, where he performed at ImprovOlympic (among other places) back in the late 80s and the 90s. During his time there, he worked with tons of iconic comics in the earliest stages of their career -- like a pre-Saturday Night Live Chris Farley, who Favreau got to watch while he was finding his voice onstage.
Plus, the director / actor also dives into his love of Dungeons and Dragons, and talks about his last big-budget summer film, Iron Man, and admitted he wasn't sure how well the Robert Downey Jr. action movie would actually do: