According to PWInsider.com (via 24Wrestling.com), we can expect exactly that for at least the next year:
The news gets even better, though, as the company has preliminary plans to give fans a rematch of the SummerSlam 2002 main event at WrestleMania 29:
Multiple sources report that Brock Lesnar has signed a one-year deal with WWE that will see him work through WrestleMania 29 in New Jersey next year.
Lesnar has signed on for a minimum of two appearances per month over the next year plus additional appearances during the build to WrestleMania 29. The belief is that Lesnar will make around 30-35 appearances over the next year but WWE likely has the ability to negotiate additional appearances, if he’s willing to make them.
The news gets even better, though, as the company has preliminary plans to give fans a rematch of the SummerSlam 2002 main event at WrestleMania 29:
As seen on RAW, The Rock teased a run with the WWE Title. Speculation is that Lesnar will eventually challenge The Rock for the WWE Title at WrestleMania 29.