"Giant-Size Fantastic Four" is a comic book series published by Marvel Comics that features the adventures of the Fantastic Four, a superhero team consisting of Mr. Fantastic, Invisible Woman, Human Torch, and The Thing. The series debuted in 1974 and is known for its oversized format, allowing for more extensive storytelling and artwork. The stories in "Giant-Size Fantastic Four" often include battles against iconic villains like Doctor Doom and Galactus. The series showcases the team's dynamic and their ability to work together to overcome challenges, highlighting themes of friendship, family, and heroism in the face of adversity.