Possibilities
1,Yoda and Obi Wan Kenboi will return to help complete Kanan Jarrus ,Ezra Bridgers And Ahsoka Tano jedi training.
1.1 Ahsoka,Kanan Jarrus were jedi padawans who never completed their Jedi Padawan.
2. Yoda will teach Ezra Bridger And Kanan Jarrus all seven forms of jedi Lightsaber Combat . Also yoda will teach Ezra how to fight with two lightsabers the technique is calledJar'Kai. And he will teach Kanan Ezra and Ahsoka Tano Vaapad because he probally seceretly knows it.
3. Obi Wan Kenobi will help Ezra Bridger and Kanan improve theire force abilities. And he will teach Ahsoka Tano, Kanan Jarrus and Ezra how to disarm a lightsaber like the Father did on Mortis When He met Anakin Skywalker. 4. It will be probally be revealed that Ezra Bridgers parents have escaped from the Empire that they are alive. And possibility and this is a incrediblly long shot possibilty that one or Both of his parents are secretly Jedi Masters.