These quotes they say are altered versions of their Origins starting quotes.
Dempsey:
"Field report. Confirming arrival at site identified in our intel. No sign of the target nor the other agents believed to be on intercept course. Dempsey out."
"Target area appears affected by an unknown contaminant. Enemy personnel had degenerated to their primal instincts, exhibiting irrational and unparalleled savagery. Recommend all allied units set up exclusion zone until further intel is available."
"Confirming reports of large-scale mechanization by the German forces. Attempts to gather intel are being hampered by the infected enemy."
Nikolai:
"What in Lenin's name is going on? I saw a huge steel beast, tall as the spires of Moscow Cathedral! Just what have the Germans been doing in this place?"
"My every step is beset by attacks from legions of unnatural creatures. Stumbling, rotten... filthy corpses!"
"I must find a way to survive this nightmare. Perhaps... these machines may help me fend off the wretched hordes."
Takeo:
"Our concerns over the German plans appear well founded. Huge mechanized weapons stalk the battlefield. I must ensure the Emperor learns of these developments."
"There is great evil in this place. Spirits and demons walk this land, possessing the remains of fallen warriors."
"If I am to survive, I must learn how these machines operate. Such technology could allow Germany to enslave the world."
Richtofen:
"Gah! I... I am alive! Ja... his brain... where's the brain? I completed the operation, just before the robot attacked. Nein, Maxis must wait. They will be here again soon. I must prepare the defenses, start up the conversion generators."
"I must work quickly, there is so much to do. A vessel for Maxis, the staffs, the opening of the gateway."
"Gah, how am I supposed to work when all around me, I am beset by the voices of the damned and the doomed. Euuh, how? Calm down, Edward! Focus. Was I bitten? Was I scratched? Nein, nein, I am being paranoid. I must remember what Maxis taught me."