would in a potential Airdrop from Metamask the Account 1 receive the tokens where it was swapped or the Wallet?
So if I've a wallet and made 5 swaps with 5 different Accs would I be still eligable for the drop with the 5 Accs or just once for the entire wallet?
I believe you will get airdrop for each address that has already been making a swap. AFAIK, there is no way that Metamask know what particular address that some Wallets have.
Technically, the wallet does have many accounts because it is derived from the seed phrase that the wallet has. If Metamask knows what addresses belong to particular unique users, then they must have somehow collected the data about your addresses. But I doubt they collect those kinds of data.