It's Christmas Eve in Avengers Tower. Everybody's got somewhere better to be and Cap's all alone on Tower-sitting duty. Or is he?Outside all is calm, all is quiet, but inside it's an avalanche of mayhem as an intruder turns the Avengers' own tower against them!And introducing Zamira! She's Meryl Streep with a vengeance! Or maybe just a hormonal teenager...WITH OUT OF CONTROL SUPER POWERS!