"This town ain't big enough for the two of us" ?

[He grins. Armour is the best, just look at his giant robot constructs sometime - it's just a bit, well, obvious that Tony'd choose that.]

Although showing up naked would be a nice surprise for the supervillains - and the papers. [He's not volunteering, though. His uniform is already skintight, k.] I just go with whatever I happen to be wearing.

[He holds up his right hand, the ring distinctive.]

This takes care of the rest.