There are two ways to find out the odds of what you’ll find in each pouch.
First, if you’re looking at a specific set, tap on the pouch just above the BUY or price button, and you’ll see a list of all the items in the set, and the odds of them appearing in the pouch you buy.
You can also find this list in the Shop section of each Channel.
Some cards are more rare than others, so you’ll have lower odds of getting them in a pack. Better start collecting!
Lower = Better. Say you have two Batman Grr stickers, and they say #278/50,000 and #46,302/50,000. The lower number is the more rare, and therefore the more valuable one.