The battle for Earth continues. 地球之战,续写传奇。 The invaders have returned. 侵略者归来。 Prepare for the unimaginable enemy。 准备迎接不可想象之敌。 The world needs heroes. 世界需要英雄。 The war has evolved. 战争,进化了。 The war for Earth is a fight for everything. 为地球而战,即是为一切而战。 The fight for Earth is everyone's fight. 为地球而战,是每个人的战斗。 The ultimate showdown is here. 终极对决,现在开始。 The future is at stake. 未来悬而未决。