So let me start by saying that this DLC is a dream come true for me. Khorne is my favorite faction, and the content that Khorne is getting couldn't be better. Honestly, I think there's enough material for 2 DLCs from the old days in this one. But let's get to the point.

Skullreapers are supposed to be...

huge, elite Chaos Warriors dedicated solely to the service of Khorne, the Chaos God of war and murder, who are found within the savage tribes of the Skaramor, those Northmen in service to the Blood God who refuse to prey upon the unworthy mortals of the south and only upon their fellow servants of the Dark Gods in the north. 

Also: 

Each Skullreaper is clad in heavy, half-plate Chaos Armour and gifted with horrific mutations that enhance their already terrifying martial prowess. Such is their might that each Skullreaper is considered as individually powerful as any Champion of Chaos. Only the Wrathmongers are above even these mighty berserkers in power and prestige.

Here are some stats from the tabletop for Skullreapers and Wrathmongers:

As you can see, they weren't all that different from the Wrathmongers. Their profile, as well as their description, indicated that they were an absolute elite. Almost on par with the likes of Wrathmongers or Putrid Blightkings. But that's where the problems started. CA couldn't make two nearly identical units for the same race in the same DLC; they had to come up with some changes that would differentiate them from each other. Wrathmongers were meant to be absolute elites — Khorne Aspiring Champions, if you will. Meantime, I thought that Skullreapers could be something like Doomseekers — a killy unit with 32 models and with a hefty bonus versus infantry. Eventually, something like a barbarian equivalent of Chosen — 80 models, elite anti-infantry with lower armor but faster and with some other unique abilities. 

But it seems that CA went for something far different. Instead of making them an elite unit, they seem to be a middle-tier anti-infantry berserker-type unit. Something in between Marauders and Warriors. Here is a screenshot of them from the trailer:

From what I've seen, they share the animations with the dual-wielding Khorne Marauders. Their size is also just normal, not "huge" as their description says. My guess is they will be a 100 (120?) model unit with 35-speed, 60-80 armor, a lack of AP, and a nice bonus vs. infantry. So something like dual-wielding Marauders but with more armor and slightly better stats (+ maybe some ability). I've got to admit, that's pretty disappointing. This unit looked like something completely new and unique before, but it turns out it will be just another alternative to the already extensive list of cheaper anti-infantry options. 

I would love to be wrong though. 

Nope. Negative. Super-duper-ultra-omega elite, please. Maybe not quite on par with units like Minotaurs, but a tier marginally below.

Wrathmongers are Doomseker equivalent though, at least, according to MilkandcookiesTW.

The tabletop model still looks heavier and more elite to me. Also, they were much bigger than a normal Marauder or Warrior. Here, they seems to be around same size. To visualize what I mean, here is an art of a Skullreaper hulking over Warrior on the left:

That's the scale I was expecting more or less.

I don't think them being equal to Wrathmongers is interesting either. Two of the same thing in the same DLC is bleh.

It's a hard one. Khorne has a lot of infantry, and there's only so much you can do with steroidal angry melee dudes. I do agree that they should be bigger than a normal human, and a smaller unit size.

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SerPus#7395 wrote:
Khorne already has elite infantry with Dual Weapons and now they are getting two even more elite infantry units with Dual Weapons.

Skullreapers have magic weapons.

That said, Skullreapers should have had Greatweapons.

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DarthEnderX-#6513 wrote:

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SerPus#7395 wrote:
Khorne already has elite infantry with Dual Weapons and now they are getting two even more elite infantry units with Dual Weapons.

Skullreapers have magic weapons.

That said, Skullreapers should have had Greatweapons.

Maybe we get 2 variants similar to Plague Ogres. But based on the TT they were a unit of mixed weapon types, so you didn’t have an dedicated dual wielding or great weapons regiment. 

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Captain_Rex#1635 wrote:

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DarthEnderX-#6513 wrote:

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SerPus#7395 wrote:
Khorne already has elite infantry with Dual Weapons and now they are getting two even more elite infantry units with Dual Weapons.

Skullreapers have magic weapons.

That said, Skullreapers should have had Greatweapons.

Maybe we get 2 variants similar to Plague Ogres. But based on the TT they were a unit of mixed weapon types, so you didn’t have an dedicated dual wielding or great weapons regiment. 

I think we get because (yes could be a mistake but)

​Nine new units from the Blood God’s domain enter the fray, including two Legendary Heroes; Skarr Bloodwrath ‘the bloodthirsty butcher’ and Scyla Anfingrimm ‘the rage of Khorne’, followed by a host of acolytes including the Bloodspeaker, Slaughterbrute, Skullreapers, Bloodbeast, Wrathmongers, Skullreapers, and Khorngors.

Steampage wrote skullreapers twice

What a just simple mistake of repeating or is actually not revealed variant of them

Edit: I believe is the later as else they would have already fix it