Nigeria falls in Group D with Croatia, Iceland and Argentina.
Aside from Group A and Group H they seem reasonably balanced, the all other groups are inevitable group of death.
The complete World Cup draw is as follows;
Group A: Russia, Saudi Arabia, Egypt, Uruguay
Group B: Portugal, Spain, Morocco, Iran
Group C: France, Australia, Peru, Denmark
Group D: Argentina, Iceland, Croatia, Nigeria
Group E: Brazil, Switzerland, Costa Rica, Serbia
Group F: Germany, Mexico, Sweden, South Korea
Group G: Belgium, Panama, Tunisia, England
Group H: Poland, Senegal, Colombia, Japan