Appearances
Featured Characters:
- Iron Man (Tony Stark) (First appearance) (Main story and flashback)
Supporting Characters:
- Lt. Col. James "Rhodey" Rhodes (First appearance) (Main story and flashback)
- Stark Industries (First appearance)
- Happy Hogan (First appearance)
- Pepper Potts (First appearance)
- J.A.R.V.I.S. (First appearance)
Antagonists:
- Ten Rings (First appearance)
- Obadiah Stane (First appearance) (Main story and flashback)
Other Characters:
- United States Air Force (First appearance)
- Adam Pratt (First appearance; dies)
- Jimmy Ryan (First appearance; dies)
- Pedro Ramirez (First appearance; dies)
- New York Mets (Mentioned)
- New York Yankees (Mentioned)
- God (Invoked)
- James Earl Jones (Mentioned)
- Hirohito (Mentioned)
- Nazis (Only on screen as a static image or video record) (First appearance)
- Adolf Hitler (Mentioned)
- Howard Stark (Only on screen as a static image or video record) (First appearance)
- Manhattan Project (Mentioned)
- Robert Oppenheimer (Only on screen as a static image or video record)
- US President (Only on screen as a static image or video record)
- President Franklin D. Roosevelt
- Harry Truman
- Dwight Eisenhower
- John F. Kennedy
- Lyndon Johnson
- Richard Nixon
- Gerald Ford
- Theodore Roosevelt (Mentioned)
- Woody Allen (Mentioned)
- Annie Leibovitz (Mentioned)
- Christine Everhart (First appearance)
- Leonardo da Vinci (Mentioned)
- New York Times (Mentioned)
- CNN (Appears on screen)
- Alexander Calder (Mentioned)
- Terrence Rhodes (Mentioned)
Races and Species:
Locations:
- Unidentified reality (First appearance)
- Earth (First appearance)
- Afghanistan (First appearance)
- Santa Monica (First appearance)
- United States of America (First appearance)
- Long Island (Mentioned)
- Nevada (First appearance)
- Las Vegas (First appearance)
- Caesars Palace (First appearance)
- Las Vegas (First appearance)
- New Mexico (Only on screen as a static image or video record)
- Massachusetts Institute of Technology (Mentioned)
- Washington, D.C. (Mentioned)
- California (First appearance)
- Malibu (First appearance)
- Tony Stark's Malibu Mansion (First appearance)
- Malibu (First appearance)
- Paris (Only on screen as a static image or video record)
- Hell (Invoked)
- Sun (First appearance)
- Earth (First appearance)
Items:
- G.I. Joe (Mentioned)
- Myspace (Mentioned)
- Frankenstein (Mentioned)
- Zelig (Mentioned)
- Arc Reactor
- Indiana Jones and the Temple of Doom (Mentioned)
- Jericho Missile (First appearance)
Events:
- Cold War (Mentioned)
- World War II (Mentioned)