"Why would I make just one glove?" Tony said, giving Peter a mildly befuddled look, flexing his hand and watching the gauntlet disassemble itself again. Convenience.

Now, if this was real, and he could get this level of technology back to the island, that was a playing field he liked. If it wasn't, then this part wasn't actually entirely helpful, given it relied on a whole lot of technical advances they didn't have, and indeed that he'd have to set about replicating in his own universe before he could do anything remotely like this.

But when in Rome, build aqueducts, right?

"I worked up the whole thing, figured it might come in handy. Even with that other guy zipping around."