Nike releases new irons designed by TW & RM

These irons belong to Swedish Tour pro, Thorbjorn Olesen ...

Above irons for Rory McIlroy ... Notice his initials on it?

Are there different versions of this?

The photo on the right in the first post shows what looks like cavity in the clubhead. But in the other photos, the head looks thinner and more like a blade (no cavity).

Maybe the cavity is the 2i driving iron?

probably still in the trial stages. Not final version yet?

Quite modern looking blades. seems to be going the opposite direction from Mizuno with the diamond back. This seems to create a cavity near the sweet spot.

These limited edition prototype irons are available from Nike website from 8 Aug for US residents only at US$1500 per set (3i - PW). One person can only order one set and there are only 40 right-handed sets available at this time. To showcase this limited run, each set is laser-engraved with the Oven Logo and individual numbering. The set also comes with extensive custom options including personalized stamping.

in the very first post there are pictures of 2 different sets of irons, one has a cavity back, one without?

I think the 2 iron is a Driving Iron. With tungsten insert.

The others r the new blades