CHARLOTTE, N.C.–(BUSINESS WIRE)–Krispy Kreme® is taking its Looney Tunes™ Halloween Collection back to the lab with a new limited-time dozen created to give fans one more delightfully fun way to celebrate the season.Available for three days only, Oct. 13-15, at participating U.S. shops, the new Looney Tunes™ Lab Dozen includes nine Green Original Glazed® Doughnuts and three new Looney Tunes™ Lab Doughnuts for just $13. Served in a custom Halloween-themed box, the dozen pairs Krispy Kreme’s ico