Congratulations on your great admits!
Interesting situation - it is good you have the bridge/option to go to your consulting firm back in the US - that gives a baseline of something. I would pick Johnson.
I don't know a whole lot about Judge/Cambridge and its brand in the US. I don't see many folks moving to the states after graduating and it is definitely not a big alum network. I don't see a lot of value going to Judge per se. Let me know if I missed anything (the only thing is that it would allow your wife to keep working in the UK and let you stay there for another 18 months). Moving back to the US after bschool may look like you failed to find a job in the UK and moving back home to lick your wounds (that is of course not true but that still makes it for an awkward interview answer as to why you moved to the US and why did you move after Judge...)
I feel that if you are looking to move back to the US, there is a lot of sense to get an MBA from the US (recruiting will be more straightforward, you can take advantage/part-take in the on-campus recruiting events, be on the same time zone, and finally have a US school name on your list, and alumni in the same hemisphere). Sounds like you worked for a well known consulting firm, so you should have a solid work experience record with some brownie points for having international exposure. MBB would only happen at Johnson as they offer on-campus recruiting. USC's on campus opportunities are much more scarce.
Johnson's Employment Report (2-yr program)
https://www.johnson.cornell.edu/Portals ... Report.pdf