Destroying the Weak (aka everyone?!)
If you haven't, read my pick switch and basic strategy first.
Our GPS signals give us a 50-mile radius. For someone who's now in a suit larger than a Death Star, this is nothing. I'm literally going to create a city-bubble around the 50-mile radius. At this point, you're trapped in a metal and concrete bubble where I'm akin to a god.
For the speedsters, I'll need some extra tricks, but Hawksmoor can increase or decrease gravity in city areas, so I'll basically pin them to the ground. He's also tracked down and killed speedsters in cities before, so it's well within his power set. If you so much as set foot in a city, or allow me to come close, I can give the instruction "Don't let him leave" and you'll be trying to survive an angry, sentient city.
Once trapped, I can phase your brain into concrete (and I don't even have to be there in person to make it happen), crush you with billions of tons of force, or channel the electrical energy of the city to fry you. I can heal nigh-instantaneously from massive trauma. And my senses are nigh-omniscient within the city, in what amounts to something like precognition.
There's maybe 1-2 who can believably get out of this tactic, if that. The rest of you will be picked off and destroyed.
And I'm agreeing to the terms with Spot. He poses no threat, and his abilities may be useful to me.