No way. Additional production of 747-8s is not an an option . Boeing has the upcoming, delayed twin engine 777-9 and eventually 777-8. Stop making stuff up . Airlines don’t want fuel hungry 4 engine planes
Because the A350-1000 Received Certification, the 777X could likely. Airbus A350 is a popular aircraft. But certain A350 operators like EgyptAir, had no plans for the A350s by the A350 launch with Qatar in 2015!