Megatron

Megatron is the ruthless leader of the Decepticons, a faction of warmongering Cybertronians who wage a devastating civil war against the heroic Autobots on their home planet Cybertron before the conflict spills to Earth. He debuted in Marvel's first Transformers issue in 1984, establishing him as the Autobots' most dangerous enemy.

Few villains made an entrance quite like Megatron, who stormed onto the scene in Marvel's The Transformers #1 in 1984 — a Bronze Age debut that launched one of the most enduring franchises in comics history. Over four-plus decades of publication, this towering antagonist has remained a constant, menacing presence across titles including The Transformers and G.I. Joe vs. the Transformers, racking up 69 catalog appearances and two key collector issues that any serious fan will want on their shelf. Along the way he's shared the page with an iconic roster — Ratchet, Soundwave, Starscream, Bumblebee, and Ravage among them — making his issues feel like the beating heart of a whole universe in conflict. If you're tracing the full arc of Transformers comics from their Marvel origins to the present day, Megatron is simply unmissable.