Green Day, Fall Out Boy and Weezer might be heading out on the road together, according to various hints left by all three bands on social media about something called the "Hella Mega Tour."

It all began when Green Day frontman Billie Joe Armstrong tagged Weezer's Rivers Cuomo and Fall Out Boy's Pete Wentz in response to a since-deleted Instagram post from The Office star Rainn Wilson.

Armstrong simply wrote, "Hella mega," and soon fans uncovered Instagram, Facebook, and Twitter pages for the "Hella Mega Tour." The sites are largely empty at the moment, while the actual HellaMegaTour.com site features only an image of -- what a surprise! -- Rainn Wilson dressed as Office character Dwight Schrute.

There is one video on the Instagram account that features Armstrong sporting a shirt with the Weezer and Fall Out Boy logos drawn on it. He sings an acoustic version of "Wake Me Up When September Ends," changing the song's lyrics to "Wake me up on September 10th," and implying that news could arrive on Tuesday (September 10th).

Meanwhile, select fans have reported receiving packages of merch featuring the names and images of the three groups -- except all on each other's items. The shipping address is that of Crush Music, the management company that represents all three bands.