UPDATE: Korn and Evanescence have announced a summer U.S. tour together. The original story is as follows.
Korn and Evanescence have both posted the same teaser video to their Instagram accounts. All we know so far is that the graphics came from Nate Hill. The most logical guess here is that the duo are teasing a tour together, given both artists are headlining the Inkcarceration Music Festival in Ohio this July. Both Korn and Evanescence also don't have any dates booked after the Inkcarceration Music Festival.
Stay tuned for more information hopefully soon.