I flew in 2A on EC-MNK, an A332, from JFK-MAD about three weeks ago. Funnily enough, I flew in the exact same seat on the same plane DFW-MAD in 2022. There were no observable changes between my two flights on that particular piece of metal, it did seem a bit weary for J (it definitely had older cloth), but as others have said, the service is warm and personable.

Also, as an aside/reminder since this has happened on both my J flights ex-US to MAD where passengers have asked, Iberia can't serve alcoholic beverages on the ground (even in J) in the US before takeoff due to American customs laws.