Please don’t tell Catholics what to believe.
The good thief asked for forgiveness. He was granted his request because he had a Baptism of Desire/Baptism of Blood.
Please check out those two terms and find out what they mean.
Another thing — Paradise was a waiting place where all the good people from the Old Testament were waiting for Jesus Christ to be the first one into heaven. It was NOT heaven.
Was your comment directed to my suggestion that Christ may have granted a plenary indulgence?