Yellowjacket (real name Darren Cross) was the protégé of Hank Pym who became the CEO of Cross Technologies. His obsession with Pym's former design of the Ant-Man Suit led to him developing his own suit which he intended to sell to the terrorist organization HYDRA. Assuming the identity of Yellowjacket, he tried to fulfill the transaction, but he was stopped and killed by Pym, Hope van Dyne and Scott Lang.
Powers and Stats
Tier: 10-A, 9-C when shrunk.
Name: Darren Cross, Yellowjacket
Origin: Marvel Cinematic Universe
Age: Late 30s to early 40s
Classification: Human, Scientist, Businessman
Speed: Peak Human, Superhuman when shrunk.
Lifting Strength: Athletic human, Superhuman when shrunk.
Striking Strength: Class H, Class KJ when shrunk.
Durability: Street level, Wall level when shrunk (Comparable to Ant-Man)
Range: Standard melee range, several meters with energy pulse stingers.
Standard Equipment: Yellowjacket suit
Intelligence: Graduated from MIT at only twenty years old and was impressive enough to be recruited by genius Hank Pym to work for him.
Weaknesses: None known.