Over the years, Megatron has battled and killed two other Primes in combat. His first was Sentinel Prime, a brutal agent of ...

Eventually, meeting his end at the hands of Megatron, who was born of D-16's rage and frustrations over the betrayal of Sentinel Prime and Sentinel's removal of transformation cogs in younger ...

Rodimus Prime rose from Hot Rod, carrying the Matrix of Leadership, uncertain of his role. Sentinel Prime, once Autobot leader, verged on betrayal, seeking greater power and purpose. Omega Prime ...