Ant Man II: The original Ant-Man, scientist Hank Pym, used his Pym Particles to shrink to a tiny size and a special helmet to control an army of insects. Under financial pressure, electronics expert Scott Lang stole one of Pym's suits but he has since proved himself as a hero and as an Avenger.

Kree Sentry: Led by the Supreme Intelligence, the Kree are a colonial and warlike race, and have clashed with other races for millennia. Their numerous military outposts around the galaxy are protected by powerful robots known as Sentries, which have battled the Avengers on many occasions.