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 Writer Christos Gage & Penciler MikeMcKone.
It features Avengers Academy Vol. 1 #1 - June, 2010.
This card is numbered AOU-MG.
Produced by Upper Deck in 2015.