While battling your enemies in the field, you'll need to be prepared to block incoming attacks.
When an enemy turns green it means they are getting ready to attack.
You can avoid taking damage by raising your arms in front of your face when you see an enemy turn green.
Be sure your fists are pointing up at the ceiling.
Your enemy will flash white when they attack.
J.A.R.V.I.S. will confirm that you have successfully blocked an attack.