MetaMask may not automatically detect the AXS token and you may need to add it using the contract address. To learn how to add tokens, please see this MetaMask guide.
Add AXS Token to MetaMask
Please see below for a summary of the steps you'll need to take to view your tokens in MetaMask:
Step 1: Unlock your MetaMask wallet and scroll to the bottom of the assets tab. Click the "import tokens" button.
Step 2: Select the "Custom token" tab.
Step 3: In the "Token Contract Address" field, enter 0xbb0e17ef65f82ab018d8edd776e8dd940327b28b if you are on the Ethereum network, and 0x715d400f88c167884bbcc41c5fea407ed4d2f8a0 if you are on the BSC network.
Step 4: Click "Next".
Step 5: Click "Add Token".