Scott helps his daughter Cassie at her school science fair but he forgets one key ingredient. Not only does he have to fix her volcano, but fend off the attacking Yellowjacket too - as Ant-Man.
Despite Hank Pym's warning, Ant-Man manages to spill soup on his suit, sending him into a size-changing frenzy while trying to defeat the nefarious Egghead.
Scott and Hope Pym are trying to enjoy a nice day when Whirlwind attacks, seeking revenge. The heroes suit up as Ant-Man and The Wasp to take on the gale-force gangster before he destroys the city.
