The UFC is starting to build its May return to South America with the addition of a featherweight bout. Mark Eddiva  (6-0 MMA, 1-0 UFC) will meet Brazil’s  Edimilson Souza (14-3 MMA, 1-0 UFC) at UFC Fight Night 42 in Brazil. Promotion officials announced the new bout on Wednesday, saying verbal agreements are in place. UFC Fight Night 42 takes place at Ibirapuera Gymnasium in Sao Paulo, Brazil. The event will be headlined by a fight between current “TUF: Brazil 3″ coaches Wanderlei Silva and Chael Sonnen