You will need a stitch holder or spare needle.

You should be able to mix and match yarn shades to make a variety of superheroes.

As shown:
Superhero 1 (Green Outfit)
King Cole Big Value DK 50g
1 ball each 4027 Yellow, 4049 Lime, 4050 Emerald, 4022 Sand, plus an oddment of 4053 Black for the facial embroidery.

Superhero 2 (Orange Outfit)
King Cole Big Value DK 50g
1 ball each 4046 Jade, 4028 Orange, 4027 Yellow, oddment of 4053 Black for the facial embroidery.
King Cole Big Value Baby DK 50g
1 ball 4066 Peach

Superhero 3 (Turquoise and Rose Outfit)
King Cole Big Value DK
1 ball each of 4035 Rose, 4044 Turquoise, 4027 Yellow, oddment of 4053 Black for facial embroidery.
King Cole Big Value Baby DK 50g
1 ball 4066 Peach