[[ Doomsday Womb]] is a Superman/Batman/Inspector Gadget fanfiction by the infamous Comics Nix. It all begins when Insppector Gandget [sic] and his niece Pennys [sic] are taking a trip to Metropolis to see the "Large Hadion Collapser." However, after MAD agents commit a killing spree [[Crowning Moment of Funny with a giant lawnmower]], Pennys is captured. Gordget [sic] interrogates Brain with his "gadget dildo," and ends up teaming with Auperman (Superman) when Pennys has a black hole in her vagina. After a quick visit to the Batcave, Auperman has to have sex with Pennys to save Metropolis, thansk to a [[Squick a reaction between his semen and Kryptonite]], but as things go from bad to worse, Gordget, Batman and Brain join in.