X-Men: Colossus - Bloodline

In this 2006 Marvel one-shot, writer David Hine and artist Jorge Lucas delve into the past of the X-Men's armored Russian powerhouse, Colossus. The story explores the dark legacy of his family's bloodline, revealing a secret that ties his mutant heritage to a sinister, ancient power. It's a focused, character-driven tale that deepens Colossus's personal mythology without the clutter of a larger team event.