The Unbelievable Gwenpool — Marvel
Issue: #20
Gwen Poole mysteriously escaped from our universe to join the Marvel Universe!And her knowledge of comics has allowed her manipulate the very panels she walks in!But as everyone knows, "With great power..." yadda, yadda, yadda...Er...who's that evil-looking version of Gwen, anyway?
Creators: Alan Fine, Axel Alonso, Dan Buckley, Joe Quesada, Clayton Cowles, Heather Antos, Jordan D. White, Christopher Hastings, Gurihiru
Characters: Miles Morales, Gwenpool, Terrible Eye, Vincent Doonan
Story arcs: Beyond the Fourth Wall