Similarities: 1. Kazuha and Hattori appeared in both movies 2. Both movies introduced new characters to movie canon 3. Both movies used historical data used as the basis of the plot 4. The climax battle involved multiple parties working together Differences: 1. Kaito kid involvement in 100万ドルの五稜星 2. 100万ドルの五稜星 has a relative serious mid-melody 3. A male VA sang the Kimi ga Ireba song in 100万ドルの五稜星 4. Bonker Skateboard maneuver in 100万ドルの五稜星 5. 迷宮の十字路 poster has a more simplier design 6. 迷宮の十字路 title was more mysterious 7. Kudo Shinichi's brief appearance in 迷宮の十字路 8. Detective boys helped in the climax of 100万ドルの五稜星 9. 100万ドルの五稜星 ending reveal massive kaito kid plot twist