"Dr. Doom goes green when he sends his villains in Super Hero City to plant mutant flowers. When watered, the flowers grow into huge vines that tear down buildings brick by brick! Wolverine, Spider-man, and Iceman are on the case, but theyneed a hero with a real green thumb to stop the mutant menace. Can Hulk shred the flowers fast enough to save City Hall?"--p.[4] of cover.