1.) Stop releasing nothing but Duke, Storm Shadow, Snake Eyes, Destro and Cobra Commander every 2 weeks. Just about everyone can assure you that this stuff is only going to continue to rot on the pegs in all their dust covered glory.
2.) Release Thrasher, 1LT Colton, Muskrat, Footloose, Zandar, Tomax, Xamot, Frostbite, Sky Patrol, Night Force, etc with modern uniforms and equipment as was the case with POC Snake Eyes, and intersperse them in waves of 6-8 figures each. Release Frag Viper, SAW Viper, Green Shirt GI Joe Soldier and other nifty Army builders throughout these new waves as 6 Army builder figures per case, with 6 original characters mixed in.
3.) Admit the truth about Rise of Cobra being a total disaster due largely to Obamanista politics and other Internationalist worldviews, and stop punishing the entire GI Joe line and its fan-base over it. Get back to what works: American patriotism.
4.) Consider a hybrid of Transformers and GI Joe toys. An AWE Striker that transforms into an Autobot, a HISS Tank that transforms into a Decepticon, etc... Try to do them in 1:18 scale if possible, so that it can accommodate other GI Joe and Cobra figures.