I think if I were tasked with converting The Raven to a workable film script, (And the studio wouldn't let me shoot it absolutely straight as a very slow art piece) My first thought would be to make the incident in the poem one of several escalating incidents.
His family tries to help him, but every time he's left alone he broods over Lenore and starts ranting at a bird that might or might not be real.
#Monsterdon