The Commander Erwin Smith loses his arm and saves Eren | Attack on Titan Season 2. Attack on Titan Season 2 Epiosde 11 Scene: Erwin Loses his arm and saves Eren.

Will Erwin be resurrected?

From Levi's perspective, the Kenny who always survived by being selfish actually did something selfless in his final moments - that shocked him immensely. Because of that experience, Levi didn't revive Erwin. He accepted Erwin as human and chose to let him die."

Did Erwin become a Titan?

And although Erwin will still be a titan after being injected, why not capture him and lock him in the room which Annie was in. Erwin will definitely keep trying to eat Annie and if he cant eat Annie, at least he can still survive until the Survey Cops caught another titan shifter and let Erwin eat it.