Talk:Captain America (disambiguation)/@comment-68.60.66.135-20130302194709/@comment-5728869-20130303024828

It's allegedly possibly to get any of the reward cards for any level up, even the first ones. The drop rate goes up each time you rank up, so they're more commonly attained at higher levels. There is a specific rank where you're guaranteed to have gotten both of cards for each prize card.