- Motto: "Collecting little transforming action figures is the right of all sentient Geeks."
- Weapon: Indepentently Targetable Particle Beam Cannons
I think it works kind of like CP said, only The Fallen is just a secondary plan that Megatron stumbles onto. He still had his Plan with Sentinel, but since he was frozen for centuries, and didn't know what had happened to Sentinel, he assumed the rods and sentinel perished.
As explained in ROTF, the seekers have been around for years on earth hiding in plain sight. Just because we didn't see it doesn't mean Shockwave and his sand worm thing weren't transformed into something else for a long time somewhere. And only recently started moving around.
Also Megatron is always one to have a backup plan. If he though Sentinel was dead, and the matrix was lost, there was no way of reviving him and getting the original plan to work. So he goes along with the Fallen in a new plan. Its only when the Matrix re-appears, and he sees the fallen 's plan crumbling to dust that he decides he may still be able to move forward with his original plan with Sentinel.
He had conveniently gathered the rods and stored them somewhere in the event he'd be able to use them.
"The man with the ship and the big red button holstered onto his belt that calls a giant fire-breathing lizard, is always the cool one."Toytainment Blog
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