How is Zamasu supposed to be alive in Dragon Ball Heroes?


I don't think I missed an explanation in the anime, but I'm not sure if I
missed one in the manga. How is Zamasu supposed to be alive in _Dragon Ball
Heroes_? Is it the same Zamasu?




The _Dragon Ball Heroes_ anime is simply promotional material and you
shouldn't really dwell on certain factors concerning the plot such as this
because you aren't going to get any precise explanation. However, the main
series has shown that Zeno's actions can be reversed by using the Super Dragon
Balls. So, maybe Zamasu was revived by Fuu as a part of his Prison Planet
experiment or by someone else. Although, this is just speculation.

As for your other question. Yes, it is the same Zamasu who has fought Goku and
co before. He clearly seemed to recognize Goku when he arrived alongside the
Grand Priest.

