Marvel's Sentinels #4 hits stores this week. With their program terminated, these super-soldiers face an uncertain future.

In the original Marvel Comics continuity, Optimus Prime was, as in other timelines, the only Autobot to bear the Matrix of Leadership. Before Optimus, there was an Autobot named Sentinel Prime ...

Sentinel Greetings This Christmas Day From Marvel Comics... but are modern day Sentinels all they are cracked up to be?