Antonio Rudiger could be in hot water for the first-half incident.
The World Champions scored a 1-0 victory in Munich to open their campaign.
The prolific goal scorer made history with his 10th and 11th Euro goals.
Gary Hooper has rejoined the Kiwi A-League side on a two-year deal.
"Thank you all, I won't give up."
Spain were held by Sweden while Slovakia upset Poland in Tuesday's other fixtures.
The 29-year-old is stable and recovering in hospital.
Manchester City's Raheem Sterling gave the Wembley crowd plenty to shout about on Monday (NZ time).
Lukaku and Eriksen are teammates at Italian giants Inter Milan.