Well, the image tells the whole story already, like leaked by Lupinko before it looks like Ling Xiaoyu and M.Bison are indeed characters in the upcoming fighting game street fighter x tekken

 

Lets see the whole leak by Lupinko

1. Kazuya
2. Nina
3. King
4. Craig
5. Bob
6. Julia
7. Hwoarang
8. Steve
9. Yoshimitsu
10. Kuma
11. Lili
12. Asuka
13. Raven
14. Heihachi
15. Law (teased)
16. Paul (teased)
17. Ling (teased and portrait was seen)
18. Jin (hinted at)
19. Christie (Lupinko hinted at)
20. Bryan (Lupinko hinted at)
21. Lars (Lupinko hinted at)
22. Leo (Lupinko hinted at)
23. Alisa (Lupinko hinted at)
24. Jack (Lupinko hinted at)
25. Ogre (Lupinko hinted at)
26. PacMan
1. Ryu
2. Ken
3. Chunli
4. Guile
5. Abel
6. Cammy
7. Sagat
8. Dhalsim
9. Poison
10. Ibuki
11. Hugo
12. Rolento
13. Zangief
14. Rufus
15. Balrog (teased)
16. Vega (teased)
17. Juri (teased)
18. Bison (character portrait seen)
19. Guy (shown on CG trailer)
20. Cody (shown on CG trailer)
21. Elena (Lupinko hinted at)
22. Dudley (Lupinko hinted at)
23. Blanka (Lupinko hinted at)
24. Akuma (Lupinko hinted at)
25. Megaman

PS3/Vita exclusive
1. Cole
2. Kuro
3. Toro