Yellowjacket

Yellowjacket is the name of several fictional characters appearing in American comic books published by Marvel Comics.

Corey Stoll portrayed the Darren Cross incarnation of the character in the Marvel Cinematic Universe (MCU) film Ant-Man (2015), while Michael Douglas voiced the Hank Pym incarnation of the character in the MCU/Disney+ television series What If...? (2021).

Hank Pym
Dr. Henry "Hank" Pym, who has had several other superhero identities, including Ant-Man, Giant-Man and Goliath, is the first character to take on the Yellowjacket codename. The character has been associated with several superhero teams in the Marvel Universe, including the Avengers and the Defenders.

Rita DeMara
Rita DeMara is a fictional character appearing in American comic books published by Marvel Comics. The second Yellowjacket, she is initially a reluctant supervillainess and later superheroine.

Darren Cross
Darren Cross is the third character to use the Yellowjacket codename, after gaining the costume thanks to Egghead, and also became a supervillain.