Marvel’s Comic-Con Panel Excites Fans for ‘Doomsday’ but Leaves Them Cautiously Optimistic About What’s Beyond

Diehard Marvel fans packed into San Diego Comic Con’s massive Hall H Saturday night, some even camping out for more than 30 hours. But as the 40-minute panel wrapped up with just two surprise announcements — a Ghost Rider movie starring Ryan Gosling and “Black Panther 3” — it’s hard not to feel like, “Is…