Every season of Iron Man: Extremis ever, ranked from best to worst by thousands of votes from fans of the show. The best seasons of Iron Man: Extremis!

A new era dawns for Tony Stark, aka Iron Man, redefining the armored Avenger's world for the 21st century! What is Extremis, who has unleashed it, and what does its emergence portend for the world?

Episode 1

Someone close to Tony Stark is responsible for the greatest threat to the world, an abomination of technology that has been unleashed on the world. What's worse -- it is more powerful than even Iron Man can handle!

Episode 2

Powered by the Extremis serum Iron Man's deadliest foe, Malin, has been unleashed upon mankind in the form of a biologically enhanced terrorist - and now it's time for Iron Man to face the enemy...a fight he will most likely lose!

Episode 3

The end for Iron Man? After a brutal fight with Extremis, Iron Man's armor is destroyed, a city is in ruins, and Tony Stark lies at death's door. Only one option remains for Stark, but will it mean losing his humanity?

Episode 4

Tony Stark's life is on the line as the Extremis dose he's taken rewrites his genetic code. Now Tony Stark relives his first faltering steps as Iron Man. When all is said and done, a genuinely new Armored Avenger will emerge!

Episode 5

As the new Iron Man battles the foe who nearly killed him, the Extremis serum takes its toll. Who exactly is behind the Extremis leak? The answer will shock you as Iron Man enters the 21st century, forever changed!

Episode 6

An experimental serum called Extremis gets stolen, and Iron Man rockets into action. The ensuing battles test Stark's spirit and Iron Man's power.

The Best Seasons of Iron Man: Extremis

The Best Seasons of Iron Man: Extremis

Season 1