In fact, these Spider-Man and Iron Man sets appear to be the first where Lego has specifically referred to them as busts.

As spiritual successor to the now defunct 76285 Spider-Man’s Mask, this 6.5-inch bust features the iconic Iron Spider suit ...

The Iron Spider-Man Bust joins a wide-ranging lineup of Lego Marvel sets featuring Spider-Man and other heroes and villains from the comics and films. If you like the Iron Spider, you'll ...

A new line of Lego Marvel mini-busts has been unveiled, with the first two characters being Iron Spider-Man and Iron Man MK4. It’s been a rough few years for the Marvel Cinematic Universe, ...

Lego is bringing Iron Man and Spider-Man to your bookshelf with the mini bust series, with a price point a bit higher than the standard, but not unheard of for Marvel sets.