Printed for the Chicago Comic & Entertainment Expo (C2E2) April 13th-15th 2012, this exclusive variant was given out free to certain attendees and sold exclusively at the C2E2 gift shop during the event.
"Avengers Versus X-Men"
*Avengers vs. X-Men is here: AvX! Marvel's epic event pits the two biggest superhero teams against each other in a battle you'll have to read to believe. Who will win? Stay tuned... *Source: marvel.com