User blog comment:LilyheartsLightning/Citadel and Reckoning DLC announced/@comment-737801-20130221183242/@comment-1440333-20130222032439

Could be either, but why would they not keep the Collectors? For all they knew after they exterminated the Protheans the next harvest could be just as difficult - Having a few billion extra ground troops could come in very handy.

And I'm confused as to what you mean there. Did Bioware say 'No Collectors during ME3' then?