Helen Cho

Doctor Cho is a scientist and an old friend of Tony Stark.

Biography
Cho was in attendance at the party the Avengers were having when Ultron interrupted.

Personality
To be added

Allies

 * Avengers
 * Tony Stark/Iron Man - Old Friend
 * Thor
 * Bruce Banner/Hulk
 * Clint Barton/Hawkeye
 * Natasha Romanoff/Black Widow
 * Maria Hill
 * James Rhodes/Iron Patriot

Enemies

 * Ultron