He appears for the first time in the show, when he comes back from to the future to warn the Z warriors
from the Androids, and to warn Goku about a deadly heart disease that we will later on the serie suffer.
Mirai Trunks is calm and shy unlike his father Vegeta. When he first comes to the present timeline, he
fights agianst Freeza and his father, and he destroys them easily. He goes back to the future after having spoken
with Goku,he tells Goku about the way the people in the future have been suffering, and he also tells him about Gohan, and
how he (Trunks) turned SSJ. He appears for the sencond time 3 years later, when he comes to face the androids, but to his surprise,
the androids in the present were not the same as the ones in the future. Later Dr. Gero activates the Androids
that he knows. He goes into the Time Chamber to train and get ready to face Cell, while he is in there he
gets stronger than Vegeta, but he doesn't tell him, because he knows how proud his father is. Even tough
he trained so hard he couldn't beat Cell, and later on the series, Cell kills him.
He is revived with the Dragonballs, and then returns back to his time, where his mother was waiting for him.
