How did ms marvel get her powers?

By Captain Universe

because he was using he s power And ms marvel woke up and felt his power .Then she became a hero

-- No Ms. Marvel was created as a result of the explosion of a Kree device in which she was in close proximity. Also due to close contact with Captain Marvel (The Kree Mar-vell) the explosion caused a change in her genetics and a bond with his. She became a Kree-Human hybrid and was able to gain Captain Marvel's power.