Kicking off a miniseries bringing you two Classic Silver-Age tales of the Sentry at the birth of the Marvel Age! When the Golden Guardian is critically injured, Scout, Lindy Lee and Watchdog have to travel back in time to learn exactly how Rob Reynolds became The Sentry. They must learn the secrets to save our hero- so he can save the world! Plus, when the Tinkerer and the Mad Thinker team up to create a device capable of stealing the Sentry's powers, they only have one obstacle on their path to world domination. The parasitic beam takes hours to work! What evil scheme will keep the Sentry in place long enough to destroy him? Don't miss the breathtaking tale of monsters and mayhem!