With Ezekiel out for an extended period of time, the WWE will need to hit the refresh button on the Universe before he gets sent out on TV again or have him randomly pop-up out of nowhere straight into a storyline. I hope it's the latter, because I'd hate for him to go down the same monster path that so many big men wrestlers have taken. For a big dude, he ain't too bad to get a lot of the job done as a professional wrestler. He's already done this during his ECW stint, so there is no point rehashing it. He'd make for a good bodyguard alongside Ted DiBiase, Jr., but they already have Virgil in that spot and that's another gimmick rehashing which shouldn't be attempted.
It depends on how serious they are with Zeke. There are quite the amount of possibilities they could use, but they have already milked out some of the best options already and others are already in use. I certainly don't want to see him bring out the ECW Title considering Ted is wearing the Million Dollar Championship. Six titles on RAW is overkill, even if two aren't currently active. My guess is that they bring him back to squash some guys in the first couple of weeks until he meets a main figure, or they'll throw him in the deep end by having him feud with said figure.
Let's hope Big Zeke can convert.