This article describes a custom creation, custom theme, or other fan material, made by a Brickipedia contributor. It has never been, is not, and will not be officially released.
Dr. D. Zaster, Spy Clops, Agent Chase
Helicopter Assault is a custom LEGO Agents: The Return of Dr. Inferno set, created by 1999bug.
Spy Clops and Dr. D. Zaster are trying to destroy their enemy, Agent Chase.