Crimson Dynamo is the name of several characters appearing in American comic books published by Marvel Comics who have all been powered armor–wearing Russian or Soviet agents who have clashed with the superhero Iron Man over the course of his heroic career.

Iron Man is a superhero appearing in American comic books published by Marvel Comics. Co-created by writer and editor Stan Lee, developed by scripter Larry Lieber, and designed by artists Don Heck and Jack Kirby, the character first appeared in Tales of Suspense #39 in 1963, and received his own title with Iron Man #1 in 1968. Shortly after his creation, Iron Man was a founding member of a superhero team, the Avengers, with Thor, Ant-Man, the Wasp, and the Hulk. Iron Man stories, individually and with the Avengers, have been published consistently since the character's creation.