Less than a week after lighting the great and terrible ’90s nostalgia furnaces with news that it might be reviving classic cartoons like Rugrats and Hey Arnold! for the modern generation, Nickelodeon is fanning the backwards-looking firestorm by putting an “Avengers-style” NICKTOONS movie into development. According to The Tracking Board, Paramount and Nickelodeon have tapped The Spongebob Movie: Sponge Out Of Water producer Mary Parent for a project that would mash together the worlds of Rugrats, Rocko’s Modern Life, Hey Arnold!, Angry Beavers, and Ren And Stimpy into one many-headed, potentially horrific clump of, “Hey, I remember that!”