Julia Louis-Dreyfus and Geraldine Viswanathan talk “Thunderbolts*” with “Extra’s” Jake Hamilton. Right off the bat, he had to get Julia to settle an intense Marvel debate from “Seinfeld” — is Iron Man wearing underwear under his suit? Julia also said she was never approached to do anything with “X-Men” or DC, recalling when she met with Kevin Feige to talk about being part of the MCU and wanting to impress her kids! Julia’s character Val gives some questionable orders, and both ladies revealed the worst pieces of direction they’ve ever received. Plus, if Julia and Geraldine were hypothetically in “Avengers: Doomsday,” which Marvel characters would they want to see the other interact with? “Thunderbolts*” is out May 2.