The cause of the problem was not 'immediately' clear. [=is was not known right away]
They live in the house 'immediately' [='directly'] behind this one.
We need to leave 'immediately'. [='at once', 'right away']
(..) cash transaction like this one, we have procedures we have to follow, so they take time. I don't have time. I need the money immediately. We might be able to... Do you have, uh, identification? Yeah. Thank you. (..)2018 Fifty Shades Freed