Macbeth gets a reward but it s not enough. Think about it. Besides this is a good is bad thing for Macduff. Good he wins for Duncan but bad in that there is no reward for doing so. The ugly women again.
Witch wants revenge.
Decides to punish the woman by making her husband's life miserable. Nice logic here. Anyway, the sailor, Captain of the ship the Tiger, has sailed off. Banquo sees the witches and says they are ugly. This stuns Macbeth who can't think of what to say so Banquo jumps in and asks what about him.