I'd say 'Spider - Man: Blue' is a must - read. It tells a very touching story about Peter Parker's relationship with Gwen Stacy and his life as Spider - Man in a really emotional way.
One more that should not be missed is 'Hawkeye' by Matt Fraction. It shows Hawkeye in a different light, with his everyday life and his not - so - glamorous side, but still being a hero. It has great art and a really engaging narrative that goes beyond the typical superhero battles.
One great one is 'The Dark Phoenix Saga'. It's a classic X - Men story that shows the fall and redemption of Jean Grey. Another is 'Watchmen' which, while not strictly a Marvel original (but was published by DC after a legal battle), has had a huge influence on the genre and is often included in discussions of the best graphic novels in general. And 'Civil War' is also a significant one, exploring the moral and political divides within the superhero community.
One popular one is 'The Infinity Gauntlet'. It's a classic that features Thanos and his quest for ultimate power with the Infinity Stones. The story is full of epic battles and high - stakes drama.
The best ones tend to be very immersive. 'Thor: God of Thunder' makes you feel like you're in the world of Asgard. They also often deal with deep themes. 'Captain America: Winter Soldier' is not just about action but also about loyalty, friendship and the cost of war. And the art styles can be very diverse. Some, like 'Silver Surfer', have a very cosmic and dreamy art style that suits the space - faring nature of the story.
Definitely 'Secret Wars'. It brought together so many different characters from different parts of the Marvel universe in a battle for survival. It had a lot of fan - favorite characters interacting in new and exciting ways. 'X - Men: God Loves, Man Kills' is also quite popular. It tackled important themes like prejudice against mutants in a really engaging way.
One of the must - read Marvel graphic novels for fans is 'The Dark Phoenix Saga'. It's a classic X - Men story that has had a huge impact on the Marvel Universe. It showcases the fall and redemption of Jean Grey in a very dramatic way.
One great one is 'The Dark Phoenix Saga'. It's a classic that really delves into the complex character of Jean Grey and the X - Men's struggle against her as the Dark Phoenix. It has amazing art and a very engaging story that has influenced a lot of subsequent Marvel stories.
Definitely 'The Superior Spider - Man'. It's an interesting take as Otto Octavius takes over Peter Parker's body and tries to be a better Spider - Man in his own way. It has a lot of action and also delves into the moral and ethical implications of this strange situation.
The 'Uncanny X - Men' in the Marvel Now lineup also stands out. It has a lot of character development for the X - Men characters, dealing with their complex relationships with each other and the world that often fears and hates them. There are new storylines and a fresh take on the mutants' place in the Marvel Universe.
There are quite a few good ones. 'Kraven's Last Hunt' is a classic. It tells a very dark and psychological story about Kraven the Hunter. 'Days of Future Past' is also excellent. It shows a future where mutants are hunted and a group tries to change the past to prevent this future. Additionally, 'The Death of Captain America' is a significant one as it explores the impact of Captain America's death on the Marvel universe.
Well, from the list, 'Kingdom Come' is a must - read. It shows a future where superheroes have become a bit out of control and the story is about bringing them back to a more moral path. 'Ms. Marvel: No Normal' is great for its fresh take on a new superhero. Kamala Khan is a relatable and inspiring character. Also, 'Daredevil: Born Again' is excellent. It tells a very intense story about Matt Murdock's life and his struggle as Daredevil.