Introduced in 1981, this Marvel hero is a household name with their own movie, and yet they're only now joining the Avengers.

They each got modified versions of the Avengers logo inked on their skin. Mark Ruffalo was the only one who didn't get tattooed - why risk angering his Avengers alter-ego The Hulk? Iron Man star ...

Robert Downey Jr., Scarlett, Chris Evans, Chris Hemsworth, and Jeremy Renner all inked the Avengers logo. The tattoo artist Josh Lord ended up with one, too. Robert Downey Jr. spilled the tea to EW.