"Dragon Ball Super" Episode 90, 91, 92, and 93 will feature a possible comeback of an old character. It will also feature Goku and Gohan's first fight since the latter came back to fighting. Vegeta is also hinted to have a powerup.
There's a lot of things that would happen before the tournament of power. "Dragon Ball Super" Episodes 90 to 93 was spoiled by Crunchyroll and boy, there could be at least a month before the real thing will start. The grand battle royale is just keep being pushed. With the battle royale expected to be finished in one day, the battle would be really unreal.
Episode 90 of "Dragon Ball Super" will show the fight of Goku and Gohan after Gohan's training. In this battle, Gohan is expected to have a new form that is rumored to even surpass Goku's Super Saiyan Blue. Vegeta is also expected to have a powerup, according to Comic Book. Since he's going to train in the Hyperbolic Time Chamber again, it is likely that he will get a powerup. Everyone who trains in that place gets powerups.
Episode 91 of "Dragon Ball Super" will gather all ten warriors that will fight for Universe 7. The preview consists of ten familiar warriors from the "Dragon Ball" franchise: Goku, Vegeta, Piccolo, Gohan, Krillin, Android 18, Android 17, Tien Shinhan and Master Roshi. But the Universe 7 will run into an unexpected trouble.
Episode 92 and 93 of "Dragon Ball Super" will be connected to each other. Since Majin Buu has fallen asleep and won't wake up for two months for some reason, someone would have to replace him. Goku asks Fortuneteller Baba's help to revive Frieza for one day. It is not yet confirmed why Goku chose Frieza. But with rumors of Frost entering the tournament with his Golden Form, Frieza might come in a handy.