Marvel Machine Codes Failing? Hey, guys. So... I just finished getting a few spins from the Marvel Machine on the site out of my system, and I really want to know, have you guys been noticing any coupons of yours failing randomly, then when you retry the codes to confirm them, you get a "This coupon has been used" error? I only ask because I just tried to redeem a couple of my codes on one of my weaker characters. I tried to redeem a 'Surprise Style Box (30)' code, but it said that I should check the code again to make sure it was correct. [i]Well, I freaking know it's correct[/i], I think to myself, [i]I copied it off the site's page and pasted it into the coupon window.[/i] So I try again on a crap item that I don't even want an