If your character can disrupt another character's powers, you need to consider a number of factors.

How does your character disrupt another's powers?

Does your character require physical contact to effect another character? If not, what is the range of your character's disruption effect?

What kinds of powers can your character disrupt?

How long are the powers disrupted?

How are the powers disrupted? Give some examples.

How many other characters can your character effect at once?

How many powers can your character disrupt at once?

Is this disruption effect voluntary? If so, how many times in a row can it be done?

Can your character nullify another character's powers?

Does this power affect metahumans only or can it affect normal humans?

Example Characters: Scrambler, Leech