Paul Rudd got into superhero shape for his role in Ant-Man, but that wasn't the only thing the comedian had to pull off for the movie. The role also required superhero swagger, which his son doesn't think he has.
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Rudd filled us in on how he got those rock-hard abs for the role, saying, "It's not like Rocky out in the snow carrying a log or anything, but it's weights and cardio and all that kind of stuff."
Unlike physique, swagger doesn't come with training -- a lesson Rudd's son Jack taught him the hard way.
"When I told my own son that I was going to be in a super hero movie, he asked me what it was and I said I was going to be playing Ant-Man, and he was not impressed," Rudd told ET. "What he actually said was, 'I can't wait to see how stupid that'll be.' Swear to God, that's what he said."
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In Ant-Man, Paul Rudd plays Scott Lang, a thief who must aid his mentor Dr. Hank Pym (Michael Douglas) in safeguarding the mystery of the Ant-Man technology, which gives its user the power to decrease in size while increasing his strength.
Ant-Man opens July 17.