Gabe Newell has announced that there will not be a HL2ep3 but they are working on something much bigger. Team Fortress 3 is a terrible idea because enough people are used to Team Fortress 2 and won't bother playing Team Fortress 3. Left 4 Dead 3 is the only decent idea. The new L4D3 crew will be: A priest/vicar dude who says mega cool religious phrases, a farmer, a drunk black Scotsman and Jeremy Clarkson.