Carpool Karaoke is almost hyped days in advance on the various entertainment shows/websites. Haven't heard a peep about U2 being on there this week and I find it hard to believe they wouldn't promote the heck out of that--so I don't see that happening this week.
RHMT is likely to be the surprise. If not tomorrow, it'll almost certainly be dropped at some point this month.
SoE is probably still many months away from being released, although maybe, if we're lucky, the band will play one of the new songs live tomorrow during the stream. That would be pretty neat.