No. What will happen is about a month after the campaign ends the backers will get codes for a Drivethrurpg download. This will be the core book. There may be typos, and layout may not be finished but it'll be all the rules you need to play. It just won't be the prettiest thing to look at.
As we continue to work on it we'll update every couple weeks, clearing up errata, and lay out issues and we'll keep doing that until the core rules is locked in and ready to print. Then we'll dive straight into the Villains Guide and repeat the same process.