FUNimation just announced some new updates for Attack on Titan season 2. First up they announced that they will be streaming season 2 starting April 1st. They also released a synopsis for the upcoming season:
Eren Jaeger swore to wipe out every last Titan, but in a battle for his life he wound up becoming the thing he hates most. With his new powers, he fights for humanity’s freedom facing the monsters that threaten his home. After a bittersweet victory against the Female Titan, Eren finds no time to rest—a horde of Titans is approaching Wall Rose and the battle for humanity continues!
They also released a new poster: