It is NOT confirmed that they will be filming this in 3-D. Brad does, however, express his hopes that New Line decides to:
ShockTillYouDrop:
Friday the 13th Part 2 in 3-D?
Source:Ryan Rotten, Managing Editor October 3, 2009
Why wait for a third chapter in Platinum Dunes' reboot of the Friday the 13th to explore 3-D when you can do it for "Part 2"?
This is what PD's Brad Fuller tells us, "I can't tell you anything about 3-D because New Line has not green lighted the movie because we haven't completed the script. So, we are waiting for the script to come in - then they'll budget- then they'll make a decision about 3-D. Having said that I really hope that is they decide that make it in 3-D."
The Platinum Dunes-produced sequel, if all goes well, is due on August 13, 2010.