The Divergent film series sure seemed a lock to fill the Hunger Games void. But after the third entry, Allegiant, opened to a chorus of shrugs, plans for the fourth and final film, Ascendant, have apparently changed. Instead of a traditional big-screen release, Ascendant will beam straight to TV, with a spin-off series possibly to follow.
Source: io9 – The Final Divergent Film Has Been Downgraded to a TV Movie