My Aquaman gears levels are 20-16-11-16-20, when I use a regen token and want to keep the new gear, it revert to the old gear instead. So far I only have this problem with Aquaman and even tried closing and restart the game but the problem is still here.
update I find a parcial solution that you do one gear at a time, close the game, restart and the gear is at level 20, but don’t always work.
Injustice™ 2