Odd. The Megatron I'm familiar with saw fit to build a grand prison on the site. One combined with a... recycling plant...

[The words are distasteful -- disturbing, more like. Spat out and glowered over.]

How kind of you to compliment my continued mental health.

To return to your home and wage a war costing hundreds upon thousands of lives, if not more, I expect. In that vein, I doubt you would truly wish to hear my 'better idea', given what it ultimately has in store for you, once you access this 'portal' of yours.