That's fine, but I think it's essential to add the Hexblade for melee warlocks. Then they can utilize charisma for their melee weapon attacks. The sub-class utterly overpowered, and a no-brainer one level dip for any character that uses Charisma, but it is what it is.
Wyll can not be hexblade canonically, since we already know his patron, and unless the weapons in this game are a bit more creative than I expected, Mizora is not a sword
I still think the solution is adding hex warrior to the otherwise very underpowered pact of the blade.
