How Iron Man became Dr Doom
![How Iron Man became Dr Doom](https://cdn.mos.cms.futurecdn.net/uTm28v4jCsriLag5dub2pH.jpg)
As Robert Downey Jr prepares to take on the famous villain role, we look at how he could plausibly play both characters
As Robert Downey Jr prepares to take on the famous villain role, we look at how he could plausibly play both characters