Act 4 Scene 1:

In this scene They are asking Lepidus if it is alright to kill his brother. Antony  is talking to Octavius about Lepidus who is an unremarkable man, he is not interesting to do the things.

Antony and Octavius are telling Lepidus to do what they do they want him to, but Lepidus will find it difficult. Antony is talking about Lepidus as if Lepidus were silly.Also we learn that Brutus and Cassius are getting ready for the civil war because Antony says it.