"What's exciting for our team is, although we lack some big match experience and we don't have at the moment trophies and medals on the table for a lot of the lads, I think that's all ahead for them and what's possible is exciting".
Gareth Southgate's side will face Tunisia in their opening game in Volgograd on June 18, a repeat of their first game in the 1998 World Cup in France, when goals from Alan Shearer and Paul Scholes gave England a 2-0 win in Marseille. Dier is a certainty for the defensive midfield role while going forward, Adam Lallana, Sterling, Kane, Marcus Rashford and Dele Alli give England genuine attacking threat. "We are expecting a very hard match".
Martinez's team will play their final Group G game against England in Kaliningrad on June 28.
"It's a hard group but we were expecting a hard draw because if you are in Pot 3, you are going to have some great footballing nations - like Belgium and England".
Belgium's best World Cup finish came in 1986 when they finished fourth, and Martinez believes this sets them as outsiders for the Jules Rimet trophy.
Speaking to talkSPORT following the World Cup draw, the 47-year-old said: "If you look at the groups, because of the seeding you get two teams in the top 15/20 in the rankings and then a couple of teams who aren't in there".More news: Illegal immigrant acquitted of murder in politically charged San Francisco trial
"Now it is just down to us to repay the faith that he has put into us".
France, Australia, Peru and Denmark make up Group C, with Group D perhaps the closest to a so-called "group of death" as it contains Argentina, Iceland, Croatia and Nigeria.
He added: "We are a group of players with an incredible responsibility, they are true ambassadors for Belgium football".
Only last week, the same website brought us the image below, showing what they confidently state will be England's next home shirt.
"Tunisia and Panama, we have to do more research on", he said.
Tunisia have never reached the knock-out stage of a World Cup, having failed in 1978, 1998, 2002 and 2006.