When is prospero first introduced in the play the tempest

On the Island.

Explanation:

Prospero was first introduced in the play named ''the tempest'' in the Act 1 scene 2. In this scene, we meet Prospero on the Island with his daughter, Miranda. Prospero considered the storm is a good occasion for him to reveal his identity and secrets to their family which he is often started telling her but never finished. He is a sympathetic character in the play and he was wronged by his brother, but his absolute power over the other characters make him difficult to be like by other characters.