It is 2024, still no hidden dialog nor cutscene for this. I’m disappointed. 
(“This is not in script, Ajax”, said Prometheus)
And the cutscene just rolls as usual:
(“But I tanked the titan until it dead, Amanra”, said Ajax)
PS: Actually, you can do this in the original AoM too, just more difficult, due to healing is too slow in the original. Therefore Ajax and Amanra need to able to switch when they tank the titan.