 Iron Lad, a younger version of classic Avengers foe Kang the Conqueror, desperate for help against his future self after learning what he will become, uses the Vision's database to track and recruit young superpowered individuals connected to the Avengers' history; however, Cassie Lang is not one of the individuals on the list.Wishing to join the Young Avengers, she and Kate Bishop meet the young heroes at the Avengers Mansion; when they refuse to let them join or to let her take her father's gear, she angrily rebukes them, only to discover much to her own shock that by doing so she had increased her size.She later confesses that she had repeatedly stolen Pym particles from her father for years, but until then it seemed they never had any effect on her.