Time was, if a train was about to run over a lady, heroes didn't go back in time to divert the rail, they flew down and took the full impact of that locomotive! And they didn't sometimes team up with their enemies either, a villain is a bad guy and that's all there is to it! There's a lot about hero-ing our friend The Sentry will learn when he meets... the GOLDEN AGE SENTRY!

Also, the Sentry and his 31st century Guardians of the Galaxy teammates get the call when a planet named Idda is about to give birth, and the only known planetary midwifery tome is guarded by the remains of a savage race! Will they reach the book in time? Live through a horrifying space battle? And will the Sentry even notice Sun Girl has a crush on him? Join the Sentry and the star-spanning Guardians in their quest to deliver big!