|First appearance||"Smashing Success"|
Emma Stone was born with the mutant ability to copy other heroes's powers.
When her powers manifested, young Emma copied the adhesion powers of Spider-Man, the telepathy powers of Professor Xavier, the healing factor of Wolverine, the laser eyes of Cyclops, and the ice powers of Iceman.
Iron Man's Exiles
She was taken from her home world and placed on Iron Man's Exiles, believing she actually had no choice.
After Emma absorbed the powers of Captain Universe she remained loyal to Iron Man. However, when she destroyed an entire reality he began to fear her, He force fed her other powers which eventually drowned out her Captain Universe powers. Just in case she could somehow regenerate her powers of copy them again, he shot her through the head.