The containers have all of Joker's and Hachi's equipment stored inside of them.
He even went as far as pairing up with others for the greater good.
After escaping with the tablet, they run into Spade and Dark Eye who are also after the treasure as well.
He, instead, misses his jump and gets ran over by the angry bandits chasing after Joker.
He takes his cards and walks away to find Shadow Joker.
He is a good leader.