The only bundle I think Sony could do with before BF now would be an Ass Creed bundle. Not sure why Sony aren't using it in the US yet. White console with Syndicate and maybe Watchdogs for $399 for example. Otherwise I think Sony are well set.
Also, the regular Batman bundle comfortably outsold the SE, so if the Battlefront and Cod standard bundles do equally well in comparison to their SE, sales should be up from last year by some distance.