Adi, 25, is one of 20 overseas-based players named by interim coach Samson Siasia in the squad for the games in Kaduna, on March 25, and Alexandria on March 29.
"It feels amazing to be involved in the national team," Adi said. "I was sleeping when my sister's husband called me to say he saw the list and my name was there. I couldn't sleep after that and went on Twitter to check and saw it on the NFF handle.
"I'm super excited and I can't wait for the moment. We are going to face two very tough games and everyone has to give everything. I will certainly give everything.
Adi has scored an impressive 25 goals in 57 appearances since joining the Timber from FC Copenhagen in 2014.
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