While the doppelgangers might not appear in the same aisle (or even the same local grocer), THC infused candies stylized like their popular non-THC infused equivalents are sweeping the markets in states that have legalized recreational cannabis. An article in The New York Times features images of two packages of Skittles, virtually identical save for a series of small cannabis leaves across the package. One is product of Mars Wrigley and the other a THC infused imposter.
Read more about efforts to protect trademarks and brand names, with a few interesting perspectives shared throughout, over at The New York Times.