| Tough guy |
| Triathlete |
| Durable one |
| Tough customer |
| Durable athlete |
| Marvel superhero |
| Colleague of Thor |
| Armored superhero |
| Ripken's nickname |
| Triathlon entrant |
| Certain triathlete |
| Exceptional athlete |
| Action movie of 2008 |
| Triathlon competitor |
| Grueling kind of race |
| Role in "The Avengers |
| Successful triathlete |
| Tough-guy competition |
| Athlete among athletes |
| Tony Stark's alter ego |
| Robert Downey Jr. movie |
| Marvel Comics superhero |
| Epithet given Lou Gehrig |
| Lou Gehrig or Cal Ripken |
| Metal Black Sabbath Song? |
| Sobriquet for Lou Gehrig. |
| 2008 Robert Downey Jr. hit |
| Role for Robert Downey Jr. |
| Robert Downey Jr. title role |
| Superhero in an armored suit |
| Avenger in a red-and-gold suit |
| Completer of a tough triathlon |
| Superhero with energy repulsors |
| Hero in "Avengers: Infinity War": 2 wds. |
| Tony Stark's alter ego in comics and movies |
| Marvel superhero with red-and-gold armor: 2 wds. |
| Event that requires swimming, biking, and running |
| Robert Downey, Jr.'s role in "The Avengers": 2 wds. |
| Robert Downey Jr.'s character in "The Avengers": 2 wds. |
| Marvel Comics superhero also known as Tony Stark: 2 wds. |
| Robert Downey, Jr.'s role in "Avengers: Age of Ultron": 2 wds. |