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

A new collection of LEGO sets have been revealed as the Marvel Cinematic Universe comes to life in brick bust form ...

LEGO has revealed a new LEGO Marvel Mini Bust collection which features Iron Man and Iron Spider-Man sets perfect for display ...

Lego's upcoming Spider-Man display model for adults celebrates the awesome Iron Spider costume from Marvel's Avengers movies.

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.