"The death of Squirrel Girl! Can this be true? Has the Unbeatable really been beaten? And by the Grim Reaper, at that? Is this truly the end of Doreen Green? 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...

To all things, an ending! As the series kicks off its final story, Brain Drain is missing! And the hitherto invincible Doreen Green will have to face certain defeat to save him! It's the nuttiest Squirrel Girl story ever as lives hang in the balance, narrative threads are resolved, shocking reveals are, um, revealed--and the greatest villains in Marvel history team up to take out the one thing that's stood in their way: Doreen! We're talking big bads...

"The strongest Avenger teams up with two up-and-coming heroes on an internet-breaking adventure! Can they pull the plug on evil? First, Captain Marvel joins Gwen Stacy, aka Ghost-Spider, for some web-based exploits! Things get APP-rehensive when a new craze-ClikClok-sweeps the city, and the Mad Thinker and the Awesome Android plan to use it for their own nefarious scheme! Then, just as Carol is recovering from one mission, she starts another-without...