They face challenges mainly through teamwork. Despite their differences and past issues, they come together for the time - heist. They use their individual skills, like Iron Man's intelligence in devising the time travel technology and Captain America's leadership to keep everyone on track.
Overall, Avengers: Endgame takes inspiration from the comics but creates its own unique storyline. There are characters and events that are exclusive to the movie and not found in the comics. The movie also alters the power levels and motivations of some characters to fit the cinematic narrative.
The ending of Avengers: Endgame in the comics is quite complex. Many heroes make heroic sacrifices, and the universe undergoes significant changes to restore balance.
The comic Avengers: Endgame is a rich and detailed narrative. It showcases the characters' growth and challenges in a way that builds on the existing comic universe. Some aspects might differ from the movie adaptation, but both offer exciting and engaging stories for fans.
The Avengers: Endgame comic has a climactic finish with the heroes emerging victorious but also facing new challenges and uncertainties for the future.