If you still had even the faintest glimmer of hope you'd be seeing a cat and dog other than Cat/Dog on the silver screen, you're going to be very upset, as the dynamic duo of disgust is off the table.
ScreenGeek picked up on some remarks that Ren and Stimpy co-creator Bob Camp had recently made at Cleveland's Wizard World convention, and what he had to say pretty much kills any chance of seeing your favorite perverted pets in The Nicktoons Movie, or in any newer form for that matter. Camp clarified the reasoning with the following statement:
They're rebooting the Nicktoons without Ren and Stimpy. We actually pitched a Ren and Stimpy movie to Paramount, they wanted nothing to do with it. [Adult Party Cartoon] poisoned the well. I think it really left a sour taste in everyone's mouth.Read more at Cinemablend