So far, 3 of the 7 pictures have been tweeted via @AgentsofSHIELD, and if you favorite all of them and follow @VerizonWireless, you enter into a chance to win the Agents of S.H.I.E.L.D. in physical card format.

Check out the ones that are out now:

Here's the 1st of 7 #AgentsofSHIELD collectible tweets presented by @VerizonWireless pic.twitter.com/BJEr09p8Hn

— Agents of SHIELD (@AgentsofSHIELD) September 18, 2013

Here's our 2nd collectible tweet. Favorite all 7 and follow @VerizonWireless for a chance at @AgentsofSHIELD cards pic.twitter.com/pXYgHaoB7r

— Agents of SHIELD (@AgentsofSHIELD) September 19, 2013

Ward is the 3rd collectible tweet. Favorite all 7 and follow @VerizonWireless for a chance at @AgentsofSHIELD cards pic.twitter.com/6ywxP93c8t

— Agents of SHIELD (@AgentsofSHIELD) September 21, 2013