At the time, I thought it might be a new iteration of The Warriors Three by Kieron Gillen, to follow on from Journey Into Mystery.

It's not.

I was blinded by the Asgardianness of at least two thirds of it, that I couldn't see the wood for the Yggdrasil.

Kid Loki, Wiccan, Miss America.

It's Young Avengers. Of course.