Zitat Zitat
Earth is burning. Striking from beyond known space, a race of terrifying machines have begun their destruction of the human race. As Commander Shepard, an Alliance Marine, your only hope for saving mankind is to rally the civilizations of the galaxy and launch one final mission to take back the Earth.
Quelle: IGN

Das liest sich stark danach, als würde die Rettung der Erde eine ähnliche Rolle einnehmen, wie die Suicide Mission in ME2.