When Robert Downey Jr. ripped off a Doctor Doom mask at Comic-Con and the erstwhile Tony Stark announced himself to be the MCU’s next iconic big bad, the atmosphere in the room was electric.

That surely goes a long way to explaining why Downey strode onto that stage in Dr Doom costume to say, "New mask, same task." From our morning news briefing to a weekly Good News Newsletter ...

Essentially, the "Doomsday" version of the tech whiz superhero will be Stark from another universe -- one who used his scientific gifts for evil and became the villainous Doctor Doom instead of ...