The Extremis Armour is perhaps the most famous as it is Iron Man's most commonly used armour in the modern era. It's a relatively basic but timeless design that has been used so much for a good reason: it looks great.
I'm an English Student at The University of Surrey, and will be writing a lot about Films, Music, Comics and pretty much everything on the site. Opinions are subjective so everybody is right, but some people are just more right than others.
