Yelena Belova (Earth-606)

Yelena Belova, code-named Viper, is a SHIELD agent with mysterious superhuman abilities. It turns out, she was actually a former HYDRA agent who went through a super soldier project similar to the one that made Captain America. Her HYDRA past is currently a secret to SHIELD. She is the leader of the superhuman SHIELD team known as the Ultimates.

Powers & Abilities

 * Super Agility - Yelena has above normal agility and reflexes.
 * Super Strength - Yelena has limited superhuman strength.
 * Weapons Expert - Yelena has been trained with many different blades and firearms.