Italian illustrator Stefano Caselli broke into American comics during the early 2000s with work on titles including Marvel's Mutant X and Thunderbolts. He enhanced his reputation on series such as Avengers: The Initiative, Secret Warriors and Avengers Assemble before playing a key role in the rotating art team on Dan Slott's Amazing Spider-Man and joining Jonathan Hickman on Avengers. Caselli collaborated with Brian Michael Bendis on a groundbreaking Invincible Iron Man run featuring Riri Williams as a new armored hero, and joined Gerry Duggan on the seafaring X-series Marauders.