This Iron Man vinyl figure is released by Funko in their Hikari XS x Marvel Universe vinyl figure series.
Hikari, meaning "light", is a highly collectible line of clear Sofubi Vinyl Figures with ultra limited availability (from 250pcs to 5000pcs world wide.) The XS line of Hikari brings the unique design of the full size Hikari to a miniature scale. Each Hikari XS figure is about ~3" to ~4" tall and crafted in a Japanese anime/manga style (NOTE: due to the unique design of each character, the actual size of the figures may be smaller or bigger than stated.)
The Hikari XS x Marvel Universe series features characters from Marvel Comics' famous super heroes / villains, such as Captain Amercia, Iron Man, Spider-Man, The Hulk, The Thing, Wolverine, etc.