Trunks informs everyone about the Masked Saiyan he encountered in Hell. After recovering, Future Trunks takes Future Mai to Bulma who orders Future Trunks to fix the Evil Containment Wave jar with super glue, reminding Future Trunks that he is good at puzzles. Turles and Lord Slug try to kill the two with a combined energy wave, but Trunks counters with a Burning Attack while the Future Warrior counters with an energy wave which merge into a combined energy wave that overpowers Turles and Slug's combined energy wave, seemingly destroying them. Trunks looks over at what Cell is looking at, then he spots Android 18 as well, and Krillin is with them. As he and Gohan fly to Kame House, Trunks thinks to himself that none of this makes sense. Trunks says that Goku won't last much longer and Vegeta agrees that he will probably be killed by Cell. Trunks says that she was barely able to make one, and Bulma decides to fax Trunks the picture. Elder Kai and Chronoa comment on allowing Trunks reunion with Future Gohan remain a part of Future Trunks' timeline as Future Gohan willingly chose to accept his fate and heroically died fighting the Androids as he had in the original history. Future Trunks tells him he is not ashamed of his "mortal weakness" and he just wants to save everyone. Suddenly a history change occurs in the scroll for Age 780 and Chronoa asks Trunks if he understands the danger of a history change in his past forces him to remain in the Time Nest and he confirms he understands after having experienced his own existence become ephemeral after Towa's previous two pronged attack on his timeline. Witnessing the peaceful android's death finally pushes Gohan over the edge and his hidden power erupts, transforming him into a Super Perfect Cell kills Future Trunks upon his returnDespite his best efforts, Cell is no match for Gohan's new power, and ultimately, the boy Future Trunks flashing a sign of respect to his father Vegeta, before going back to the futureAfter Cell's defeat, the deceased Future Trunks is taken to The Lookout where he is revived by After saying his goodbyes, Trunks returns to his own time to exact revenge on the androids for murdering the Z Fighters. However he also says that he's heard that turning Super Saiyan 3 so suddenly could have obliterated him. In his childhood, his hair parted at his right temple with strands hanging out and the top of his head sweeping to the left. With the Time Machine fixed, Future Trunks then thanks everyone and he, Vegeta, and Goku head to the future. Bidding farewell to Trunks, Future Gohan flies off to heroically confront his destiny. Trunks and the Future Warrior return to Age 852 and Chronoa thanks the warrior for stopping Trunks and he apologizes for being careless. When Fused Zamasu appears, Future Trunks is surprised to see him still alive. Undaunted, Vegeta declares that he will ascend beyond a Super Saiyan and defeat the androids himself before leaving. Realizing Capsule Corp to be intact and that Goku Black is unaware of the Time Machine's existence, Trunks distracts him. Stubborn and arrogant as ever, Vegeta says he won't need Trunks or Goku and after he goes back in the Time Chamber, he will defeat Perfect Cell on his own. Cell states that he is now more interested in Trunks' power and desires a true challenge. Also, he became a lot more resilient, taking powerful blows from Black and Zamasu and able to put the duo on the defensive on many occasions. He watches the fight between Super Saiyan 2 Goku and Black and he wonders why Goku doesn't go all out, and Vegeta explains about Goku's bad habit of not fighting seriously in the beginning. Trunks confirms this, but says that they should destroy the Krillin and Trunks quickly reach the lab's location, and after some brief searching find a hole down to the lab's basement.

In the manga, during his early days of training, even as a Super Saiyan, Future Trunks was unable to defeat base Future Gohan. Trunks says his mother will contact Mr. Satan about the commercial though Mr. Satan sarcastically suggests he might be too busy having lost a battle against the Future Warrior. As soon as the pair arrive at Kame House, they watch the news broadcast at the behest of Krillin. When he thought that Goku Black had killed her, Trunks became so enraged that he immediately attacks the dark entity.

At the Hero Colosseum they walk in as Kid Trunks beats Goten in a figure battle. Trunks is reluctant to leave Future Gohan to his fate torn between his desire to save his master and his Time Patrol duties, forcing her to order the Warrior to stop him. Future Trunks along with the others are teleported back to Beerus' Planet thanks to Xeno Goku's Instant Transmission where they each say their farewells. Black and Future Zamasu tell Future Trunks that he is one of the reasons they want to eradicate all mortals due to using the time machine and without him Black openly admits he would have never even sought out Goku's body, calling Future Trunks a sinner. Mira blast Trunks knocking him into the Future Warrior.

Chronoa tells him to hurry as this all seems wrong. Using data collected during her trip their she develops the Hero Colosseum and Hero Figures for the Time Patrol as a fun game. Enraged at their statements, Future Trunks charges at Black, but is quickly knocked out of his Super Saiyan 2 form and falls to the ground.