Writers
Bob Layton
Bob Layton co-wrote the Iron Man run that defined Tony Stark as a character for decades. His work with David Michelinie produced Demon in a Bottle — the first major superhero addiction story — and Armor Wars, which remains the template for every "technology out of control" Iron Man story since. These two arcs alone justify the omnibus. Layton also co-created the Armor Wars concept that the MCU has returned to repeatedly.
Filters
His omnibus editions are among the most important in Marvel's Iron Man catalogue. If you read one Iron Man era to understand why the character works, Layton and Michelinie's run is where to start.