I highly doubt it. But Bungie DID say that after they released Halo, they were working on Halo 2 and 3. Hmmm....this may bring up some rumors from...oh, i don't know...ilovebees??? We shall see...we shall see.....

I have succeeded in protecting earth from the covenant scum! For now at least...but fear not!! When the Master Chief joins battle once again...they'll will pay for the lives they have ruined. Oh, they will go on they're so called "Great Journey"...INTO HELL!!! HAHAHAHAHAHAHAHAHAHAHA!!! Beware.....the end is near....willl you be ready?