Moro, Black Frieza, and Ultra Ego Vegeta are all incredibly popular fighters who could potentially fly into Sparking Zero, but they'll likely only be available if the right conditions are met.

Vegeta unlocked Ultra Ego under Beerus, while Gohan unlocked his Beast form in Dragon Ball Super's latest arc. Ultra Instinct serves as a basis for comparing Gohan and Vegeta's new forms ...

Vegeta's Ultra Ego, fueled by damage, has impressive offensive power and potential for mastery. A fight between Mastered Ultra Instinct and Mastered Ultra Ego could be evenly matched in strength.