LOGAN TAKING THE MUTANT SERUM WAS THE MOST TRAGIC HEROIC SACRIFICE IN MARVEL HISTORY.
In Logan, Wolverine was dying of adamantium poisoning, his healing factor completely gone. But the second Laura and the mutant kids were hunted down in the forest, he injected a deadly overdose of green serum just to give himself one last temporary burst of prime power. He knew it would destroy his body and kill him faster, but he did it anyway to save the next generation.
Is this the most emotional final battle in superhero movie history?