I doubt they'll make an evolution to Lucario, but Pokemon's team is making a lot of dumb moves (Excluding Heart Gold and Soul Silver) recently. Example was that evolution of Magneton, that was just stupid.
And what exactly do you mean by Console Gen? Like a traditional Pokemon game only 3D and on the Wii? Yeah, they'll never do that, they aren't smart or cool enough for that. They probably don't even know how. I think the most we'll ever get from Pokemon Console games are Pokemon Stadium type things and gimmicks, although Pokemon Coliseum wasn't bad, I liked it for the most part, I just wish my copy wasn't broken.
Oh, wait, I know what you mean, yeah, I'm not even sure if I see a new Console from Nintendo for awhile, maybe even ever. Well, I can see a Wii HD and a couple hundred versions of the DS (If they already have five, why not have more?) but I'm not sure Nintendo are going to make more, they probably believe they've perfected gaming, honestly I think they just strayed away from the classic format.
Anyway, back on topic, Yeah, It will be on the DS, and no, they aren't going to make any new consoles, unless it's an HD Wii or another new DS.