Darren Agonistes Cross is a fictional supervillain appearing in American comic books published by Marvel Comics. He is the archenemy of Scott Lang (the second superhero to be called Ant-Man), and the cousin of Crossfire. The character was portrayed in live-action by Corey Stoll in Marvel Studios' 2015 film Ant-Man as the Marvel Cinematic Universe's iteration of Yellowjacket. This concept would later be integrated into the comics, making Cross the third version of Yellowjacket in the Marvel Universe.