Leaked titles for upcoming "Dragon Ball Super" episodes hint at the end of the Future Trunks story arc. But will it also end with fans saying a final goodbye to the young warrior?

There's no question that the previous episode was one of the more exciting ones in the story arc. With Merged Zamasu showing to be more powerful than any fighter the Saiyans had ever faced, the heroes' backs were definitely against the wall. Despite being outmatched, Goku, Vegeta, and Future Trunks put up one amazing fight. At one point, it seemed that the combined Gallick Gun attacks of Vegeta and his son had defeated Merged Zamasu.

Unfortunately, with Zamasu being immortal, viewers know that it was only a matter of time before he gets back. The fighters still have an ace up their sleeve — Vegito.

"Dragon Ball Super" episode 66 will see the return of Vegito, the fusion of Goku and Vegeta. This time around, the merged warrior seems to have more of Vegeta's essence than Goku's. It might be a good change as the Saiyan Prince is known to be more calculating in battle than his former rival. 

A trailer for the upcoming episode, titled "Showdown! The Unyielding Warrior's Miraculous Power," gives fans a glimpse of the Vegito and Merged Zamasu's battle. It appears that they're quite evenly matched, but the closing seconds of the clip tease that Vegito might inflict considerable damage to the twisted god. 

Meanwhile, the titles of episodes 67 and 68 have been leaked, with fans worrying that a death is imminent. Apparently, episode 67's provisional title is "Farewell, Trunks," leading fans to worry that the young warrior might meet his demise in the episode. 

The idea is not far-fetched, considering "Dragon Ball Z's" history. Fans will recall that it was Future Trunks' death that paved the way for Cell's defeat in the Cell Games arc. It's possible that his death might push Vegito to become even more powerful. 

However, fans are hoping that the title simply means that Vegeta and Goku will be bidding farewell to Trunks as they return to their own timeline after Merged Zamasu's defeat. 

Fans will have to watch "Dragon Ball Super" episode 66 when it airs on Fuji TV on Nov. 13 at 9 a.m.