You may not have realized it, but Fantastic Four: First Steps has given a big hint to the inclusion of Doctor Doom in its own retro-futuristic universe – but you have to look extremely hard to find it.
As part of People magazine's Fantastic Four issue, a series of in-universe ads were created. Some, like Reed Richards' suit endorsement, would make Don Draper proud with its snappy Sixties copy, but offer nothing more than window-dressing instead of outright world-building.
