Paul Rudd discusses Marvel's Ant-Man and workout regime on The Late Show.
Colbert asks if Rudd has done full nude professionally, and the actor reveals the incident with Rachel Weisz.
In the bed scene with Weisz, the audience chuckles, and Rudd realizes his leg is up and his testicles are exposed.
"Hanging brain" refers to testicles, not genitals, Rudd clarifies.
Accidentally exposed his testicles to a live audience.
There was a shirtless scene of Rudd in Ant-Man that was cut.
Rudd maintains impeccable shape for Marvel roles, unlike other heroes.
The actor is known for many things, including Marvel films and unchanged appearance since the 30s.
Conversation strays to Rudd's diet and workout regime for Marvel films.