 Sheldon visits a carnival where Johnny Blaze performs and commits suicide by setting his skull on fire.Sheldon interviews Ben Grimm, who describes the painful deaths of this world's counterparts of the Fantastic Four and Victor Von Doom when their spaceship flew through a cloud of radiation.Grimm had refused to pilot the ship due to safety concerns, so Reed Richards hired Von Doom instead and is the main point of divergence in "Ruins" for the would-be Marvels.