YellowJacket (MCU)
Real name: Darren Cross
Full name: Darren Cross
Aliases: Yellowjacket
Alter egos: Yellowjacket III
Creator: Marvel Comics
Alignment: Bad
First appearance: Ant-Man (2015)
Place of birth: United States of America
Occupation: CEO of Cross Technological Enterprises
Base: Cross Technological Enterprises Facility, San Francisco, California
Gender: Male
Race: Human
Height: 6'2 • 188 cm
Weight: 172 lb • 77 kg
Eye color: Green
Hair color: No Hair
Superpowers: Density Control, Durability, Energy Beams, Energy Blasts, Flight, Intelligence, Marksmanship, Power Suit, Size Changing, Stamina, Super Strength, Weapon-based Powers
Stats: intelligence 95, strength 35, speed 60, durability 70, power 70, combat 70

History:
Darren Cross was the protégé of Hank Pym who usurped his mentor as CEO of Pym Technologies and rebranded it as Cross Technologies. His obsession with Pym's former creation of the Pym Particles caused him to try to replicate his own version, which he then intended to sell to terrorist organizations such as HYDRA and the Ten Rings. Using his own version of Pym's Ant-Man Suit, which was known as the Yellowjacket Suit, he tried to fulfill the transaction, but he was challenged by Pym and Hope van Dyne, who destroyed his research with the assistance of Scott Lang. Driven mad by the failure, Cross tried to murder Lang and his family and eventually disappeared after their battle.

Powers:
 Using the original Ant-Man suit and Pym Particles formula as a template, Cross can reduce approximately to the size of an ant. He also still maintains his regular sized strength and durability when shrinking due to increased density and compressed energy and physical force caused by size transformation.  The suit grants Cross superhuman strength while shrunk. This is thought to be due to Pym Particles enhancing density and compressing energy and physical force to the user, giving him the power of a bullet. In the case of the Yellowjacket, its mechanisms may be able to enhance physical strength and resilience, even in human size, he was almost able to crush Ant-Man between his hands while Lang was in shrunken form. Though Ant-Man in normal size was able to take on Darren Cross while the latter was in the Yellowjacket suit. In addition, the suits mechanized stingers can be used as melee weapons, which Cross used to knock Paxton's gun out of his hand and to help him grab Scott into order to hurl him through the air.  Cross has the power of flight through highly advanced jets installed in the backward of the suit. The two top tentacle-like 'stingers' on the suit's back have exterior thrusters at the bottom of the tentacle that allow him to levitate and move forward with its propulsion.  The suit has four mechanical tentacle-like 'stingers' on the back, the bottom pair of which can form shoulder weapons and direct energy weapons, which can fire intense energy blasts. The energy beams are blue and laser-like, burning through objects and, when Cross is in a small size, he can easily kill targets, much like bullets. When in normal size, the larger beams can easily burn through and destroy objects as large and as thick as a wall.   Darren Cross graduated from MIT at only twenty years old and was impressive enough to be recruited by genius Hank Pym to work for him.  Cross was recruited by Hank Pym to work at his company, Pym Technologies as his personal assistant and one of the lead scientists. Over time, he became obsessed with replicating Pym's Ant-Man Suit, and managed to create his own version, the Yellowjacket Suit.  Cross was able to oust Pym from Pym Technologies and become its leader. Though the company had not presented a product in some time, Cross assured, in an interview, that its shareholders were satisfied.