The Incredible Hulk Vol. 1 (1962-1999) #154

Plot

Hulk breaks into Ant-Man's lab and starts drinking stuff to try and shrink himself to subatomic size; Chameleon, who is stealing some papers from the lab, takes advantage of the rapidly shrinking Hulk and brings the pint-sized hero back to his current employers, Hydra; Hulk escapes into the air ducts but Hydra sends in a group of plague carrying rats to finish him off; Ant-Man arrives to help Hulk out but is unable to prevent the jade giant from shrinking out of sight; Meanwhile, Betty leaves Project Greenskin to get her life together.