Paul Rudd and his lookalike son, Jack, made for a handsome duo when they attended the Super Bowl together over the weekend.

ET spoke with Rudd at the New York City premiere of 'Ghostbusters: Frozen Empire,' which hits theaters March 22.

But by halftime, it was clear Paul was feeling the weight of the Chiefs ... only to clutch his head again as the Eagles scored another touchdown. Rudd got a bit of good news later as Patrick ...

Paul Rudd and his lookalike son ... It's so funny." Paul's kids recognize him mostly as a dad, rather than a movie star, but he remembers the day they realized he was famous. " ...