can dead marines be revived by flood forms and then fight you like

Games Other Halo
1

in halo 3?

do you think the flood infection forms can make the marines turn into flood in game play?

2

I’m pretty sure its fairly obvious

3

Halo 1 never had animations or scripts to support real time transformation of dead human/covi bodies.

Keep in mind that the old original untouched game + its gameplay is running at the same time. So your question is answered.