Collectsno. 1-6 of "Incredible Hulk" and no. 60-91 of "Tales to Astonish" comics that follow the experiences of Dr. Bruce Banner after exposure to gamma radiation causes him to transform into a raging monster in times of stress.
Hulk saves the day when the Super Hero Squad find themselves facing a huge slime monster. Then, Reptil is sure that Valentine's Day will be the day that all the girls declare their love for him, but he is in for a big surprise.
The Silver Surfer calls an old friend for help when the Collector's henchmen Man-Wolf and Drax the Destroyer start collecting Earth's super-powered beings for him. Then, Thor tells Iron Man all about himself.
On Valentine's Day, a bet between Enchantress, Screaming Mimi, and Mystique has the super-villainesses using their feminine wiles on the Super Hero Squad to see how many of their fractals each can get her hands on.
Dr. Doom plans to travel back in time to claim the Infinity Sword for himself, but when the Super Hero Squad show up to stop him, the villain's time platform is damaged in the fight and all of the heroes and villains present are reverted to infants except Reptil.
Superman trains his young sidekicks to become super heroes, Bizarro comes to Earth and makes a mess of Metropolis, and Jimmy Olsen finds out that being Superman's pal means help is only a shout away.
The Avengers are called into action when an award ceremony honoring Captain America is interrupted by a new, improved version of the destructive robot created by the Captain's World War II enemy Baron Zemo.
