During the Credits
There are extra scenes shown during the credits of Wonka.
In the extra scenes, the Oompa-Loompa uses a projector to reveal the various fates of the characters from the movie including the comedian getting back with his wife and the laundry people going to jail after eating the chocolate they poisoned.
After the Credits
There is no stinger after the credits of Wonka.
Special thanks to Sebastian Alejandro Lopez, Shad, @SonnyTheMoney, and Flavor Tre for the stinger submissions!