Fulvia thy wife first came into the field.
Fulvia, your wife, first went into battle.
Messenger · Act 1, Scene 2
The Messenger announces that Fulvia, Antony's wife, has entered the field of war on her own. The line registers because it introduces Fulvia as an active agent—not passive, but warring in her husband's name. It sets up the pressure that will drive Antony from Egypt, and shows that even absent figures can shape the play's action.
Fulvia thy wife is dead.
Fulvia, your wife, is dead.
Second Messenger · Act 1, Scene 2
The Second Messenger delivers the news that Fulvia is dead. The short statement lands because it arrives as Antony is steeling himself to leave Egypt—it changes everything and nothing at once. Fulvia's death removes the last obligation to Rome, freeing Antony to choose Egypt, but by then the damage is already done.
Labienus-- This is stiff news--hath, with his Parthian force, Extended Asia from Euphrates; His conquering banner shook from Syria To Lydia and to Ionia; Whilst--
Labienus-- This is serious news--has, with his Parthian army, Expanded his control over Asia from the Euphrates; His victorious banner flew from Syria To Lydia and Ionia; While--
Messenger · Act 1, Scene 2
The Messenger reports that Labienus has conquered Asia for the Parthians, spreading his banner across multiple kingdoms. The news lands because it is the first real crisis of the play—while Antony lies in Egypt with Cleopatra, the world is being taken from Rome. It shows that love has a price, and that price is measured in lost territories and fallen power.