A possible concise summary is:
Two friends pretend to be Spider-Man and Super David and try to stop a fire monster from destroying the city. They use a spear gun, water, and Spider-Man's web to fight the monster and prevent it from reaching a crane and absorbing more metal. They succeed in defeating the monster and hope to join the Avengers team.
Here are the key facts extracted from the text:
1. The text is a transcript of a video where someone pretends to be Spider-Man and fights a fire monster with the help of Super David.
2. The fire monster is a fire elemental that gets stronger by absorbing metals and can destroy the Earth by reaching its core.
3. Spider-Man and Super David use missiles, water, and webs to defeat the fire monster and prevent it from reaching a crane full of metal.
4. Spider-Man is wearing the clothes of the real Spider-Man, who is on vacation, and wants to keep his identity secret.
5. Spider-Man hopes to partner with the real Spider-Man and join the Avengers team.