Pedzisa mutsara unotevera: Marwa akashanda semutongi weFIFA kubvira muna 2011. Ndiye mutambi wenhabvu wekutanga wekuKenya kubatanidzwa mumakwikwi ese eFIFA, achiratidzwa mu2011 FIFA U-17 World Cup. Akasarudzwa semubatsiri wemutongi mumakwikwi e2012 ne2013 Africa Cup of Nations. Marwa akatumidzwa semutambi wekuchengetedza paFIFA World Cup ya2014 uye mubatsiri wemutambi pa
FIFA Club World Cup ya2016. Akabatanidzwa semubatsiri weCAF mu2017 FIFA Confederations Cup, kwaakashanda pamwe naBakary Gassama, Jean-Claude Birumushahu naMalang Diedhiou.