Pintle exotic metal alloys. For World War II aircraft with sideways-retracting main gear units, carefully set-up "pintle angles" for such axes of rotation during retraction and extension allowed the maingear struts to be raked forward while fully extended for touchdown and better ground handling, while permitting retraction into rearwards-angled landing gear wells in their wings to usually clear the forward wing spar for stowing while in flight. Pintle A pintle is a pin or bolt, usually inserted into a gudgeon, which is used as part of a pivot or hinge. Other applications include pintle and lunette ring for towing, and pintle
Black Bolt Medusa. She ends up fleeing to Earth to bear her son (Ahura). Black Bolt destroys the alien symbiote that Spider-Man bonds with in another issue of "What If?", and with the Royal Family encounters the hero Daredevil. After another appearance in a back-up feature in the title "What If?" a story told in flashback reveals how Maximus, using a creation called the "Trikon", forced Black Bolt from Attilan. Black Bolt, however, eventually defeats the Trikon and regains the throne. After aiding the teen super group the New Warriors the Royal Family joins forces with X-Factor to stop master villain Apocalypse.