Collects The Unbeatable Squirrel Girl (2015B) #37-41. The death of Squirrel Girl! Yes, you read that right! Can it be true? Has the Unbeatable really been beaten? And to death, at that? Is this truly the end of Doreen Green? You've read comics before, we assume, so yeah, probably not - but there's only one way to find out for sure! Plus: Witness a fighting mad Iron Man! Thrill to underwater adventure! And recoil as the world of our fallen hero is rocked by a pesky invasion of Skrulls! Why is all this happening? Who is behind it? And what goals - sinister or otherwise - are they working toward? Prepare for all to become clear as mysteries are laid bare and secret origins are revealed!