4* Champions

Dominic518

Which ones to improve first? I have 21 champions who are the best:

1- Spider-Man (Miles Morales)
2- Darkhawk
3- Symbionts Supreme
4- Nick Fury
5- Loki
6- Morningstar
7- Yellowjacket
8- Juggernaut
9- Rouge
10- Winter Solider
11- Heimdall
12- Elsa Bloodstone
13- Corvus Glaive
14- Hulk
15- Cable
16- Gamora
17- Hulkbuster
18- Crossbones
19- Thor
20- Vision (Age of Ultron)
21- Ms.Marvel

Thingy

None