Already out of the tournament, England were humiliated by 45 runs by The Netherlands in the 2014 World T20 to add salt to their wounds.
Morgan very well understands the pain associated with a flop campaign in an ICC event.
"I think they (Afghanistan) are a dangerous side. They really play exciting brand of cricket. If it was 10 years ago we wouldn't have known a great deal about them but now we know quite a lot about them," he said.
The dark memories of England's 2014 World T20 campaign is fresh in Morgan's mind as he described the feeling of crashing out of in the group stages of an ICC world event as "horrific".
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So, Morgan called on his teammates to keep their focus intact in tomorrow's game against another minnows of world cricket.
"Disappointment of being knocked out of the World Cup is horrific.
"So, coming into tomorrow's game we are really fresh. We got a couple of good games and great build up to the tournament. I think tomorrow is about focussing on what we do and adapting to the conditions in front of us. So if we do that hopefully we will perform well," the left-handed batsman said.
"It's probably a little bit of unpredictability. I think in T20 games against any team unpredictability can be a strong mountain. Certainly we have lacked consistency in T20s in recent times and certainly there is a bit of unpredictability," he said.