One of Tarantulas' bugs is implanted on Optimus, which allows Quickstrike to control him remotely. Megatron thinks of a way for his powers to be on par with Optimus.
Did You Know?
The first and only time we get to see just what the Spark compartments of Generation 1 Megatron and Beast Wars Megatron look like from the inside. The latter has a vicious-looking spiked tentacle protecting his Spark, while his namesake has a simple, but still crude mechanism covering his. See more
Megatron and Tarantulas both fall into lava and survive. Priorly, lava was seen as a lethally dangerous substance for the Transformers, and when Scorponok and Terrorsaur fell into a lava pit, they both died instantly. See more
Sometimes deception is the better part of valor.