Event Year: 2015

Bulma finds the Time Machine that Cell used to travel to the past and promptly gathers the team to repair it. Future Trunks and Mai discuss their counterparts from alternate timelines.

Goku Black invades from Trunks' future! Excited to fight a strong opponent, Goku immediately challenges him to one-on-one combat, but Goku Black isn't taking the fight seriously?!

Much to everyone's surprise, a war-torn and unconscious Future Trunks arrives in the past after evading Black.

In the timeline of Future Trunks, a new enemy appears that requires him to return to the past and get help from the Z-Fighters.