In the final conflict with Ultron, Pietro dies a hero's death, saving the lives of and a Sokovian boy.
He chooses to become a criminal after the creation of the Department of Damage Control, a joint venture between the federal government and Tony Stark, following the Battle of New York, and Toomes' company is run out of business.
After Thanos succeeds in collecting the Infinity Stones and destroying half the universe, Thor decapitates him.