- Super Hero Squad
- Fantastic Four
- Heralds of Galactus
- Lethal Legion
Races and Species:
- Doctor Doom's Armor
- Captain America's Shield
- Iron Man Armor
- Silver Surfer's Surfboard
- Falcon's Wings
- Terrax's Axe
- Infinity Sword (Reforged)
- Irradiated Fossil (Last appearance)
Galactus is about to devour Earth and not even the combined power of all the Super Heroes (and even some villains) can stop him. Iron Man decides to gather all the Infinity Fractals and reforge the Infinity Sword.
- Hulk's Transformation: Wolverine-Hulk
- Title card's issue homage: Fantastic Four #243
- The photographer taking the team photo at the end of the episode is Phil Sheldon, from the Marvels mini-series.
- The title is based on the science fiction movie "This Island Earth."