You have found a pop culture gem from the Marvel Studios Universe.
You are looking at a Signed Comic Covers Autograph Trading Card from Avenger: Age of Ultron.
This Signed Comic Covers Trading Card is Autographed by Inker Tom Palmer & Cover Artist Nic Klein.
It features Avengers Assemble Vol. 2 #14AU - April, 2013.
This card is numbered AOU-PK.
Produced by Upper Deck in 2015.