Tony Stark was Never the Hero - Insane Iron Man Theory Suggests the World was a Marionette

Tony Stark, the playboy billionaire who became the armored hero Iron Man, was not a character exclusive to the Marvel Cinematic Universe.

Superior Iron Man, Villains Wiki

Tony Stark: Rise of Iron Man

Iron Man, The Avengers: Earth's Mightiest Heroes Wiki

I know that Iron Man in the movies has no problem with killing his villains. Is Iron Man like that in the comics too? - Quora

Mr. Fantastic (Character) - Comic Vine

10 Classic Iron Man Storylines The MCU Never Got To Adapt

Tony Stark: Rise of Iron Man

Iron Man - MoviePooper

Our duel is over. (Spoilers for X-Men Red 11). : r/xmen

Harvey Elder (Earth-616), Marvel Database

Ultron, Marvel Cinematic Universe Wiki