Yeah, DiDio and Johns are bringing him back in Justice League next year.
Turns out Rick's wife and kids were in the car when Superman smashed it up. Rick's mind snapped. With nothing left to live for, he lashed out at out at those damned superheroes!
Honing his mind and body to the absolute pinacle of perfection and spending his vast inheritance on a pair of solid Kryptonite pants... and hair dye to hide his gingerness.
This summer, the Nu52 presents...
Ricktonite!
Also, a trenchcoat... and some guns, throw some guns in there too.