
Flash Thompson, Spider-Fan | Legendary Creature | Human Citizen | Flash
When Flash Thompson enters, choose one or both —
• Heckle — Tap target creature.
• Hero Worship — Untap target creature. | Elizabeth Peiró

Flying Octobot | Artifact Creature | Robot Villain | Flying
Whenever another Villain you control enters, put a +1/+1 counter on this creature. This ability triggers only once each turn. | Jonathan Wayshak

Hobgoblin, Mantled Marauder | Legendary Creature | Goblin Human Villain | Flying, haste
Whenever you discard a card, Hobgoblin gets +2/+0 until end of turn. | Warren Mahy

Spiders-Man, Heroic Horde | Legendary Creature | Spider Hero | Web-slinging {4}{G}{G} (You may cast this spell for {4}{G}{G} if you also return a tapped creature you control to its owner's hand.)
When Spiders-Man enters, if they were cast using web-slinging, you gain 3 life and create two 2/1 green Spider creature tokens with reach. | Michele Giorgi

Spider-Girl, Legacy Hero | Legendary Creature | Spider Human Hero | During your turn, Spider-Girl has flying.
When Spider-Girl leaves the battlefield, create a 1/1 green and white Human Citizen creature token. | Mathias Kollros

Scarlet Spider, Kaine | Legendary Creature | Spider Human Hero | Menace (This creature can't be blocked except by two or more creatures.)
When Scarlet Spider enters, you may discard a card. If you do, put a +1/+1 counter on him.
Mayhem {B/R} (You may cast this card from your graveyard for {B/R} if you discarded it this turn. Timing rules still apply.) | Alexander Mokhov

Spider-Slayer, Hatred Honed | Legendary Artifact Creature | Human Villain | Whenever Spider-Slayer deals damage to a Spider, destroy that creature.
{6}, Exile this card from your graveyard: Create two tapped 1/1 colorless Robot artifact creature tokens with flying. | Warren Mahy