you slide your chair over to the other guy and he will untie you then you get past all the guards and catch the paintings as they fall when you see the black widow then when she gets mad she will stop throwing art and you have to go turn the crank on the lift keep doing that until the lift is all the way up and the widow is captured
in the lair of black widow
In her secret lair.
When you get close to recovering the stolen painting, she will take you there.
You do this near the end of the game, when you are in the lair of the Black Widow.
Nothing right away. Eventually you get into the black widow's lair and use the card to enter her trove of stolen art.
The key that you get from Early Poptropica is to the Inspector's house in the Country Side. Once you find the missing painting on the second floor, you will, after a fashion, end up in the Black Widow's lair.
you go to the place that's called only nerds play poptropica
Since you defeat the Black Widow to escape, she is likely in prison. Evidently she is paroled occasionally to play on Reality TV Island. (see related question)
For most of the game, the Black Widow is posing as the lady Chief Inspector. When you receive the key for the Inspector's house, you will recover the stolen painting, but you will be abducted to the Black Widow's lair.
The curator is in the Web Browser cafe when you emerge from the lair, but you have to meet her in the museum to receive your Island Medallion.
Later in the game you'll go to the "Black Widow's" lair. That's where you'll use the keycard :)
After you chase the thief on the scooters, return to the museum. You will travel to Early Poptropica island and get the key to the Inspector's house in the Country Side. Once you enter and find the stolen painting, you will be knocked out and taken to the underground lair of the Black Widow.