In spring 2019 Martins collaborated with contemporary artist and romantic partner Jack Pierson on the exhibition Pee Party at Jeffrey Stark in New York. Martins's work has appeared in other group shows at galleries and cultural institutions throughout the United States and Europe, including The Hole, New York; Beyond the Streets, New York; White Columns Benefit Auction, New York; Amelchenko, New York; Bonnie Poon, Paris; Coney Art Walls, New York; Wynwood Walls, Miami; Museum of Contemporary Art, Los Angeles; and Clayton Patterson Gallery, New York.
