Even though Ash's team at the end of the opening shows Krokorok's evolution being the only change to his current team, I can't help but think that that could just be his Tournament team at the time and that more evolutions could be happening afterwards to help fill the rest of the BW2 Series off before the next generation?
In that case, 50-75+ more episodes is more than enough time for Ash to get the following team: -
And possibly 3 more captures? : -
EDIT: - RANK UP!
98% of the teenage population does or has tried smoking pot. If you're one of the 2% who hasn't, copy & paste this in your signature.