Their Super Mario Maker level even has an eggplant
Coming off of Babymetal (what a lively comment thread that was!), it makes sense Nintendo would go with something more familiar for the next Super Mario Maker costume.
The Ice Climbers? Why, sure! We haven’t seen that dynamic duo in a while and, heck, they’re originally from an 8-bit game, so the transition to the Super Mario Bros. style should be fairly straightforward.
Seems like a safe bet, all around. Bonus points for this eggplant nod: