Avengers: Doomsday: a doomed character pile-up or a masterstroke-in-waiting?

The first Avengers movie for six years is so overstuffed with characters it's hard not to think it'll be a sprawling mess - or can the Russo brothers pull it off? Marvel's big cast reveal for Avengers: Doomsday earlier this week was like something out of an avant garde endurance piece curated by Andy Warhol, a five-hour extended live stream during which a row of empty director's chairs stood solemnly under the harsh glare of studio lighting. The names kept coming with metronomic regularity: Chri...