They appear to be the same. I own a silver tube like the one in the middle, and if you go to a Dodge, Chrysler, Jeep dealership and ask for the long fiber grease that's what you'll get.

The ones on the left and right I have not seen. I suppose they are older and the labels are just different???

I have always been able to buy single tubes of both the wheel bearing and MM lube. I know the Mopar Action article says you have to buy a case, but my local Dodge dealership has been fine with selling me a single tube, or whatever number of tubes as I ask for individually.