Punter1 said: I play SCL10 so get very few 2* specific covers as rewards (Sim is the only place), some specific 3*s, but more specific 4*s. See my thread about it being "easier" to cover a new 4* than 3* in SCL10. So specific rewards are 4* weighted. Pack odds are still weighted toward 2* when factoring in all types, but must be balanced by shards and champs rewards which only come for 3* and up.
KGB said:Trying to figure out if you just hoarded the Elite/Heroic/Might tokens and ignored Deadpool and other vaults. That would explain why your 2/3* numbers are so close to the 4* ones when I'd have expected 2 or 3 times as many of those covers as 4* ones.