After DiLeo's death in 2011, La Toya Jackson, Michael Jackson's sister, managed Kuba and he signed with Universal Music Group. That year Kuba won a Yacht Film Festival award for his music video, Streets of Freedom. Kuba released his first single, "In the Streets," with Universal on March 20, 2012. Kuba released "Come to America," a single that featured Flavor Flav, a rapper from the group Public Enemy, in July of that year. The single was featured on his EP, Combat. Kuba partnered with Sean Garrett, a songwriter and producer, to produce the single "Stop Feenin" in 2013. Kuba released his third album at a 2014 charity event for the Face Forward Foundation, a charity for victims of violence, at The Peninsula Hotel in Beverly Hills. At the event, Kuba also unveiled the creation of the first pop artist superhero with Versace. He was also a guest on Jake Steinfeld's talk show, Healthy Living.
In 2014, Kuba was featured in a calendar with Apollo Male Models Magazine, a male fitness and fashion model magazine. The magazine also featured Kuba on the cover of its winter edition.
Kuba played the European gangster Prince, Krol in Live Nude Girls, an action comedy written by In Living Color late actor Jay Leggett and Indie writer/producer, Mike Hatton, who also stars in the film alongside Dave Foley and Andy Dick.Live Nude Girls was Kuba's first American film and his 2014 Hip Hop, RnB, single 'Stop Feenin' was featured on the movie soundtrack. Kuba Ka was cast by the Late actor/director for the role as 'Krol'. Kuba Ka remembered Jay Leggett on the red carpet of the 'Live Nude Girls' movie premiere held on August 12, 2014 at the Palace Theater, located at the Avalon, Hollywood. He spoke about the powerful impression he had of Leggett after meeting him for the first time and honored the late actor/director for giving him his first big acting gig in the U.S.
In 2015, Kuba was featured in a rockumentary on the E! Channel series New Money.